Why do batteries have to face the opposite direction in order for the device to actually work?

Why do batteries have to face the opposite direction in order for the device to actually work?
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1 Answer

Answer :

So the current goes from negative to positive to negative to positive so it can actually flow.
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We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Description : We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Last Answer : it takes equal time for revolution around the earth and rotation on its own axis

What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Description : What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Last Answer : D. Optic regenerators

The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing side of the polygon taken in opposite order ---- is known as a.Law of triangle of forces b.Newton's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

Last Answer : c. Law of polygon of forces

How likely is it that unpackaged, assorted batteries stored together will actually explode?

Description : How likely is it that unpackaged, assorted batteries stored together will actually explode?

Last Answer : They most likely would not explode, but simply split open and ooze acid all over the place.

Does a device exist where one can use AAA batteries in AA slots?

Description : Does a device exist where one can use AAA batteries in AA slots?

Last Answer : Not in the way you are describing. There are several battery chargers - Energizer makes some, Samsung does too, wherein the same slot will charge an AA and an AAA - but not at the same time. They ... controls - I suppose it is theoretically possibly do build it, but I have never seen one for sale.

Do batteries in a device go dead if you don't use them for a while?

Description : Do batteries in a device go dead if you don't use them for a while?

Last Answer : Depends on the device. Some slowly leach power from a battery and others hardly drain any at all. (Your TV has batteries?)

Why is it important to not mix brands of batteries in a device (whatever kind of device)

Description : Why is it important to not mix brands of batteries in a device (whatever kind of device)

Last Answer : It is the type of battery not the brand. Types of batteries include: Carbon Zinc, Alkaline, Rechargeable Alkaline, Li-Ion or NiCD.

If the force applied on the body displaces it in the opposite direction of applied force, then the work done is : -Science

Description : If the force applied on the body displaces it in the opposite direction of applied force, then the work done is : -Science

Last Answer : Work can be either positive or negative: if the force has a component in the same direction as the displacement of the object, the force is doing positive work. If the force has a component in the direction opposite to the displacement, the force does negative work.

Do some people actually find "the duck face" attractive?

Description : Do some people actually find "the duck face" attractive?

Last Answer : I have to admit to a desire to thrust something between those lips.

Is there somewhere online where I can actually view the original dark face of the Statue of Liberty?

Description : Is there somewhere online where I can actually view the original dark face of the Statue of Liberty?

Last Answer : Not sure how long it took the statue to degrade from the bronze, since color photography didn’t appear until the 1930s. But here’s a picture from the Library of Congress: http://www.loc.gov/pictures/resource/pga.03455/

What are some things that seem logical on the face of it but actually defy common sense?

Description : What are some things that seem logical on the face of it but actually defy common sense?

Last Answer : Yeah. I always take those restrictors out when I buy a new shower head. Bad me…

Are the pores under a face mask actually oil?

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Last Answer : They are your pores. The oil has been removed with the mask. Pored are openings in the surface of your skin.

Big businesses actually get away with murder. Should some of these people face the death penalty?

Description : Big businesses actually get away with murder. Should some of these people face the death penalty?

Last Answer : in China they do, remember the contaminated baby food scandal, i believe two low grade managers were executed, interestingly not the CEO.

My body gets darker in some places in winter . In summer, when you come in contact with powder or husk and dust and sand, you actually get redness on your face, sneezing, itching of nose, in winter, when you come in contact with them, you actually get redness on your face.

Description : My body gets darker in some places in winter . In summer, when you come in contact with powder or husk and dust and sand, you actually get redness on your face, sneezing, itching of nose, in winter, when you come in contact with them, you actually get redness on your face.

Last Answer : You have cold and skin allergies. Which is why these things are happening. Anyway, let's talk about cold allergies first. Don't let it get cold. Eat it mixed with hot water. Keep in mind that it ... skin wet. Apply Vaseline or olive oil. Give Dove Milk soap to your face every day. Drink more water.

What's the ideal direction a house should face?

Description : What's the ideal direction a house should face?

Last Answer : There is no single ideal direction for all houses everywhere. Many variables are involved in siting a house. From an architectural standpoint, you want to maximize views and minimize noise, ... take all these disciplines into consideration when designing the house and then again when situating it.

Which direction do you face while taking a shower? Shower head or away from the shower head?

Description : Which direction do you face while taking a shower? Shower head or away from the shower head?

Last Answer : I face away from the shower head when washing hair. The rest of the time I face the head

What makes the city of mecca in Saudi Arabia so holy that Muslims face in that direction when they pray?

Description : What makes the city of mecca in Saudi Arabia so holy that Muslims face in that direction when they pray?

Last Answer : What is the answer ?

In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on (A) The front face in one direction (B) The front face in both directions (C) The inner face in one direction (D) The inner face in both directions

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Last Answer : Answer: Option C

A queen closer is a (A) Brick laid with its length parallel to the face or direction of wall (B) Brick laid with its breadth parallel to the face or direction of wall (C) Brick having the same length and depth as the other bricks but half the breadth (D) Brick with half the width at one end and full width at the other

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Last Answer : Answer: Option C

Just before sunset Veena and Zeba were talking to each other standing face-toface. If Veena sees Zeba’s shadow to be exactly towards the right of Zeba, which direction was Veena facing? (1) South (2) North (3) East (4) North-East

Description : Just before sunset Veena and Zeba were talking to each other standing face-toface. If Veena sees Zeba’s shadow to be exactly towards the right of Zeba, which direction was Veena facing? (1) South (2) North (3) East (4) North-East

Last Answer : (1) South

Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting. b) Venturi mask The Venturi mask provides low levels of supplemental oxygen. c) Catheter The catheter is an inexpensive device that provides a variable fraction of inspired oxygen and may cause gastric distention. d) Face tent A face tent provides a fairly accurate fraction of inspired oxygen, but is bulky and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Description : Of the following oxygen administration devices, which has the advantage of providing high oxygen concentration? a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is ... and uncomfortable. It would not be the device of choice to provide high oxygen concentration.

Last Answer : a) Non-rebreather mask The non-rebreather mask provides high oxygen concentration but is usually poor fitting.

Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom II. Unlike the trackball a spaceball does not actually move. III. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom. (A) I & II (B) II & III (C) II only (D) III only

Description : Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom II. Unlike the trackball a spaceball does ... of freedom. (A) I & II (B) II & III (C) II only (D) III only

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13. A ray of light, incident obliquely on a face of a rectangular glass slab placed in air, emerges from the opposite face parallel to the incident ray. State two factors on which the lateral displacement of the emergent ray depends. [Foreign] -Chemistry-10

Description : 13. A ray of light, incident obliquely on a face of a rectangular glass slab placed in air, emerges from the opposite face parallel to the incident ray. State two factors on which the lateral displacement of the emergent ray depends. [Foreign] -Chemistry-10

Last Answer : Lateral displacement depends on the: angle of incidence, thickness of slab, and refractive index of the material. (any two)

The moon is showing its same face to the earth because – (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Description : The moon is showing its same face to the earth because – (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Last Answer : (3) Its periods of rotation and revolution are the same Explanation: Because it is "tidally-locked" to the Earth. The Earth's gravity slows down the moon's rotation, so that it rotates at the same ... who walks around a center pole, but shifts their body so they are always facing it as they walk.

All the six faces of a cube of a cube are coloured with six different colours - black, brown, green, red, white and blue. 1. Red face is opposite to the black face. 2. Green face is between red and black faces. 3. Blue face is adjacent to white face. 4. Brown face is adjacent to blue face. 5. Red face is in the bottom. Which face is opposite to green ? (a)Red (b)white (c) blue (d)brown

Description : All the six faces of a cube of a cube are coloured with six different colours - black, brown, green, red, white and blue. 1. Red face is opposite to the black face. 2. Green face is between red and black ... face is in the bottom. Which face is opposite to green ? (a)Red (b)white (c) blue (d)brown

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All the six faces of a cube of a cube are coloured with six different colours - black, brown, green, red, white and blue. 1. Red face is opposite to the black face. 2. Green face is between red and black faces. 3. Blue face is adjacent to white face. 4. Brown face is adjacent to blue face. 5. Red face is in the bottom. Which of the following is adjacent to green ? (a) Black, white, brown, red (b) Blue, black, red, white (c) Red, black, blue, white (d) None of these

Description : All the six faces of a cube of a cube are coloured with six different colours - black, brown, green, red, white and blue. 1. Red face is opposite to the black face. 2. Green face is between red and black faces ... , brown, red (b) Blue, black, red, white (c) Red, black, blue, white (d) None of these

Last Answer : (a) Black, white, brown, red

Resting face height in edentulous patients: A. Decreases when head is tilted back (the opposite is true B. Increases when lower denture is inserted C. Does not change over time

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The moon is showing its same face to the earth because (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Description : The moon is showing its same face to the earth because (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution

Last Answer : Its periods of rotation and revolution are the same

The purpose of the bias winding in figure 'B' shown in the illustration is for ____________. EL-0091 A. changing the direction of current in the control winding B. setting the operating point of the device C. allowing the use of either AC or DC in the load circuit D. changing the direction of current through the load

Description : The purpose of the bias winding in figure 'B' shown in the illustration is for ____________. EL-0091 A. changing the direction of current in the control winding B. setting the operating point of the ... use of either AC or DC in the load circuit D. changing the direction of current through the load

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What device measures the angle between two radio frequencies and also the direction of propagation of a wave? A. Densimeter B. Absorption wavemeter C. Goniometer D. Ergometer

Description : What device measures the angle between two radio frequencies and also the direction of propagation of a wave? A. Densimeter B. Absorption wavemeter C. Goniometer D. Ergometer

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What device can be constructed to allow microwave energy to pass in one direction but blocks energy in the other direction in a waveguide?

Description : What device can be constructed to allow microwave energy to pass in one direction but blocks energy in the other direction in a waveguide?

Last Answer : errite Isolato

Have you had any experience with parents in public doing things with their kids that they think makes them look like good parents, but just the opposite impression is actually given?

Description : Have you had any experience with parents in public doing things with their kids that they think makes them look like good parents, but just the opposite impression is actually given?

Last Answer : I’m pretty sure when I lived in the south and I saw a parent whack their kid on the ass for misbehaving that parent thought people around them would think well of the parent for doing something to discipline their kid.

A shell, initially at rest suddenly explodes into two equal fragments A and B. Which one of the following is observed? (a) A and B move in the same direction with the same speed (b) A and B move in the same direction with different speeds (c) A and B move in opposite directions with the same speed (d) A and B move in opposite directions with different speeds

Description : A shell, initially at rest suddenly explodes into two equal fragments A and B. Which one of the following is observed? (a) A and B move in the same direction with the same speed (b) A ... move in opposite directions with the same speed (d) A and B move in opposite directions with different speeds

Last Answer : Ans:(c)

Railway tracks are banked on curves so that (a) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train (b) Frictional force can be avoided between the tracks and wheels (c) Necessary centripetal force may be obtained from the horizontal component of the weight of the train (d) The train may not fly off in the opposite direction

Description : Railway tracks are banked on curves so that (a) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train (b) Frictional force can be avoided between the tracks ... of the weight of the train (d) The train may not fly off in the opposite direction

Last Answer : Ans:(c)

Force acts in a direction opposite to the di- rection of motion is?

Description : Force acts in a direction opposite to the di- rection of motion is?

Last Answer : Static friction

Steering of a car involves? A. A single force B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction. D. A pair of forces acting along the same line and in opposite direction (Answer)

Description : Steering of a car involves? A. A single force B. Two forces acting in the same direction C. Two forces acting along different lines and in opposite direction. D. A pair of forces acting along the same line and in opposite direction (Answer)

Last Answer : D. A pair of forces acting along the same line and in opposite direction (Answer)

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Description : If I reverse the direction of a centrifugal fan would the air go in the opposite direction?

Last Answer : answer:A centrifugal fan? In a laptop? Do tell. On large industrial projects we do use centrifugal fans. They're a real thing. But that's a huge fan (in our case, that is, in power boilers ... run in reverse. (Probably not likely with a cheap laptop fan, but not to be fully discounted either.)

Do you sometimes consider how crazy it is for us to drive 70 MPH passing within feet of other cars going 70 the opposite direction?

Description : Do you sometimes consider how crazy it is for us to drive 70 MPH passing within feet of other cars going 70 the opposite direction?

Last Answer : Not so much trust as lack of decent alternatives in most cases. Other than quit driving.

For every action, there is an equal, opposite reaction. Therefore, does the space station move in the opposite direction each time an astronaut pushes off from a bulkhead?

Description : For every action, there is an equal, opposite reaction. Therefore, does the space station move in the opposite direction each time an astronaut pushes off from a bulkhead?

Last Answer : Yes, ever so slightly. But the astronaut must then soon contact the opposite side of the station, imparting a force in the other direction.

What do you think when everyone seems to be driving in the opposite direction as you?

Description : What do you think when everyone seems to be driving in the opposite direction as you?

Last Answer : I think that you were on the wrong side of the road.

If for power transmission a gear train consisting of 8 gears is used, then a.the motion of driver and follower will be in the same direction b.the motion of driver and follower will be in the opposite directions c.either of (A) or (B) above d.None of the above e.107 dynes

Description : If for power transmission a gear train consisting of 8 gears is used, then a.the motion of driver and follower will be in the same direction b.the motion of driver and follower will be in the opposite directions c.either of (A) or (B) above d.None of the above e.107 dynes

Last Answer : b. the motion of driver and follower will be in the opposite directions

If for power transmission a gear train consisting of 11 gears is used, then a.the motion of driver and follower will be in the same direction b.The motion of driver and follower will be in the opposite direction c.either of (A) or (B) above d.None of the above e.107 dynes

Description : If for power transmission a gear train consisting of 11 gears is used, then a.the motion of driver and follower will be in the same direction b.The motion of driver and follower will be in the opposite direction c.either of (A) or (B) above d.None of the above e.107 dynes

Last Answer : a. the motion of driver and follower will be in the same direction

Two schoolgirls were traveling from the city to a dacha (summer cottage) on an electric train.'I notice,' one of the girls said 'that the dacha trains coming in the opposite direction pass us every 5 minutes. What do you think-how many dacha trains arrive in the city in an hour, given equal speeds in both directions?''Twelve, of course,' the other girl answered, 'because 60 divided by 5 equals 12.'The first girl did not agree. What do you think? -Riddles

Description : Two schoolgirls were traveling from the city to a dacha (summer cottage) on an electric train.'I notice,' one of the girls said 'that the dacha trains coming in the opposite direction pass us every 5 ... because 60 divided by 5 equals 12.'The first girl did not agree. What do you think? -Riddles

Last Answer : If the girls had been on a standing train, the first girl's calculations would have been correct, but their train was moving. It took 5 minutes to meet a second train, but then it took the second train ... the time between trains is 10 minutes, not 5, and only 6 trains per hour arrive in the city.

A student zips on his scooter to ride to the train station to get to college. His home is close to two stops; the first one is a mile from home, and the second is two miles from home in the opposite direction. In the morning, he always gets on at the first stop and in the afternoon, he always gets off at the second one.Why? -Riddles

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Last Answer : The sations and his home are on a hill, which allows him to ride down easily on his scooter.

How many times in a day, are the hands of a clock in straight line but opposite in direction? -Riddles

Description : How many times in a day, are the hands of a clock in straight line but opposite in direction? -Riddles

Last Answer : 22 is the right answer

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Three coils are placed infront of each other as shown currents in 1 and 2 are in same direction while that in 3 is in opposite direction. Match the fo

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Last Answer : Need answer