When an alternating current passes through an ohmic resistance the electrical power converted into heat is?
Last Answer : When an alternating current passes through an ohmic resistance the electrical power converted into heat is true power.
Show More
964 views
1 answer
asked
Mar 25, 2018
by
anonymous
Alternating current (AC)
Last Answer : AC stands for Alternating Current meaning voltage or current that changes polarity or direction respectively over time. An Alternating Current (AC) is an electric current whose magnitude ... energy are known as alternators and are simpler construction than DC electromechanical generators.
Show More
181 views
2 answers
asked
Nov 22, 2019
by
anonymous
Describe the difference between direct and alternating current.
Last Answer : Direct current is the flow of electricity or charge in one direction.. Alternative current is the flow of charge that doesn't flow in one direction.
Show More
5.3k views
4 answers
asked
Jun 29, 2019
by
anonymous
The frequency of an alternating current is?
Last Answer : The frequency of an alternating current is the number of waves passing through a point in one second.
Show More
102 views
1 answer
asked
Mar 25, 2018
by
anonymous
In the case of an unsymmetrical alternating current the average value must always be taken over?
Last Answer : In the case of an unsymmetrical alternating current the average value must always be taken over the whole cycle.
Show More
270 views
1 answer
asked
Mar 25, 2018
by
anonymous
.jpg)
Alternating current
Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
Show More
84 views
1 answer
asked
Jul 6, 2019
by
anonymous
Last Answer : Alternating current is measured by induction ammeter.
Show More
86 views
1 answer
asked
Mar 21, 2018
by
anonymous
The current flow in a battery is due to ______ A) movement of ions B) movement of protons C) movement of holes D) movement of neutrons
Last Answer : The current flow in a battery is due to movement of ions
Show More
104 views
1 answer
asked
Apr 29, 2018
by
anonymous
Is current from a battery AC or DC?
Last Answer : The current from the battery is DC
Show More
135 views
2 answers
asked
Mar 14, 2018
by
anonymous
.jpg)
Alternating voltages and phasors (Problem 15)
Last Answer : Alternating voltages and phasors (Problem 15)
Show More
48 views
1 answer
asked
Mar 29, 2020
by
anonymous
.jpg)
Alternating voltages and phasors (Problem 14)
Last Answer : Alternating voltages and phasors (Problem 14)
Show More
47 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 13)
Last Answer : Alternating voltages and phasors (Problem 13)
Show More
49 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 12)
Last Answer : Alternating voltages and phasors (Problem 12)
Show More
42 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 11)
Last Answer : Alternating voltages and phasors (Problem 11)
Show More
54 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 10)
Last Answer : Alternating voltages and phasors (Problem 10)
Show More
52 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 9)
Last Answer : Alternating voltages and phasors (Problem 9)
Show More
46 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 8)
Last Answer : Alternating voltages and phasors (Problem 8)
Show More
50 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 7)
Last Answer : Alternating voltages and phasors (Problem 7)
Show More
44 views
1 answer
asked
Mar 28, 2020
by
anonymous
Alternating voltages and phasors (Problem 6)
Last Answer : Alternating voltages and phasors (Problem 6)
Show More
46 views
1 answer
asked
Mar 26, 2020
by
anonymous
Alternating voltages and phasors (Problem 5)
Last Answer : Alternating voltages and phasors (Problem 5)
Show More
42 views
1 answer
asked
Mar 26, 2020
by
anonymous
Alternating voltages and phasors (Problem 4)
Last Answer : Alternating voltages and phasors (Problem 4)
Show More
49 views
1 answer
asked
Mar 26, 2020
by
anonymous
Alternating voltages and phasors phasor addition and division (Problem 3)
Last Answer : Alternating voltages and phasors phasor addition and division (Problem 3)
Show More
58 views
1 answer
asked
Mar 26, 2020
by
anonymous
.jpg)
Alternating voltages and phasors : phasor addition (Problem 2)
Last Answer : Alternating voltages and phasors : phasor addition (Problem 2)
Show More
43 views
1 answer
asked
Mar 26, 2020
by
anonymous
Alternating voltages and phasors (Problem 1)
Last Answer : Alternating voltages and phasors (Problem 1)
Show More
35 views
1 answer
asked
Mar 26, 2020
by
anonymous
A battery is known to have an EMF of 5.0V but when a certain voltmeter is connected to it the reading is 4.9V. The battery can deliver a current of 0.40A when connected to a resistance of 12ohms. What is the resistance of the voltmeter?
Show More
87 views
0 answers
asked
Aug 24, 2019
by
anonymous
when charging a battery we use a DC supply but not an AC supply. Why ?
Last Answer : When power is supplied to the battery, electrolyte inside the battery is divided into positive and negative ions, where ions with similar pole is gained in one side. This reactionʼs flow coincides with direct current.
Show More
103 views
1 answer
asked
Aug 21, 2019
by
anonymous
61 views
0 answers
asked
Jun 26, 2019
by
Aavula siseendri
.jpg)
List out the precautions to be taken while charging of lead- acid battery
Last Answer : precautions to be taken while charging of lead- acid battery: 1) Never keep the battery in the circuit and connect for external charging if it is not designed so. 2) While disconnecting / removing a ... tools etc on batteries. 10) Do not splash any liquids on the batteries, near the charger etc.
Show More
89 views
1 answer
asked
Sep 4, 2018
by
anonymous
Explain the maintenance of lead acid battery.
Last Answer : Maintenance of lead acid battery: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged below a minimum voltage. 4) Never keep battery ... -container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
Show More
84 views
1 answer
asked
Sep 4, 2018
by
anonymous
In lead acid battery the density of acid indicates the (1) charge of the battery (2) level of acid (3) e.m.f of the battery (4) damage of the plates
Last Answer : In lead acid battery the density of acid indicates the charge of the battery
Show More
103 views
1 answer
asked
Apr 30, 2018
by
anonymous
In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above
Last Answer : In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance
Show More
123 views
1 answer
asked
Apr 29, 2018
by
anonymous
what is the difference between capacitor and battery ?
Last Answer : A capacitor stores power but in very small quantitys and work in D/C and A/C circuits and it needs a power source from wich it gets the power it stores and a battery also stores power but in much larger quantitys measured in Amp/Hours
Show More
112 views
2 answers
asked
Oct 3, 2017
by
anonymous
How To Make A USB Battery
Last Answer : Do you know that you can change a normal 9V battery into a USB one? Here's how. Materials Needed 5.1V zener diode 330-ohm resistor 9V battery connector 9V battery Soldering gun and iron Female USB ... 5-1 step 5-2 Now, you should have your very own USB battery in those times of emergency.
Show More
3 views
1 answer
.jpg)
How to Make a Lemon Battery ?
Last Answer : An acid is corrosive, reacting with other substances upon contact. The reaction's power depends on the item mixed with the acid, especially if its combined with equally reactive substances. Lemon happens to bear ... handy. If you want to know other uses of lemon, read 15 alternative uses for lemon.
Show More
2 views
1 answer
asked
May 5, 2021
by
anonymous
How to make power bank from laptop battery cells?
Last Answer : You can make the power bank from laptop battery cells. Things you need to make power bank from laptop battery cells: Laptop battery cells (about 6 in parallel) Universal Dual USB 5V 1A 2.1A New Hot ... If you have any doubt ask it. Thanks...
Show More
241 views
1 answer
asked
Mar 8, 2018
by
anonymous
.jpg)
How positive and negative terminals of a battery are identified?
Last Answer : Answer: Positive terminal is identified painted with red color and negative terminal is identified painted with blue color on the top of the battery
Show More
2 views
1 answer
What is end of life of the battery?
Last Answer : Answer: If a battery cannot able to hold proper charge or if the battery capacity is falls below 80% of its rated capacity then it is considered as the end of life of the ... Charging and discharging cycles Temperature Leakage of the gases or electrolyte corrosion of the plates over discharge rates
Show More
2 views
1 answer
What is stratification in the battery?
Last Answer : Answer: During charging of the battery acid is produced at the plate surface and during discharging of the battery acid will be consumed, due to this nonuniform concentration heavy parts of the ... on the top. This phenomenon is call stratification. Stratification affects the life of the battery.
Show More
3 views
1 answer
What factors that decide the VRLA battery to completely charged from fully discharged condition?
Last Answer : Answer: Some of the important factors that determine the duration of the discharged battery to charge are: Duration of the discharge occurred Temperature at which battery is operating Size and efficiency of the charger
Show More
4 views
1 answer
Do temperature have effect on battery?
Last Answer : Answer: Temperature is one of the major factors that have impact on battery performance, shelf life, charging and battery voltage control. At higher temperature batteries will have more chemical activity compared to batteries which operate at the designed temperature
Show More
4 views
1 answer
How can the state of charge of battery is best indicated?
Last Answer : Ans. The state of charge of battery is best indicated by specific gravity of electrolyte and voltage.
Show More
7 views
1 answer
What is a battery?
Last Answer : Ans. Battery is a device which converts chemical energy into electrical energy. It stores energy in form of chemical energy. Types a) Primary cell batteries b) Secondary batteries.
Show More
8 views
1 answer
Truck Battery
Last Answer : Need a battery to power your truck but not sure what a truck battery is? Like most batteries used on cars, motorcycles and tractors, truck batteries are lead-acid types. They use lead plates that are ... onto your skin, wash it away immediately with water. Visit a doctor if your skin is burned.
Show More
2 views
1 answer
Motorcycle Battery
Last Answer : A true rider knows his motorcycle battery well. After all, it's the part of the bike that allows the engine to start. A typical 12-volt motorcycle battery is encased in plastic and ... result to permanent damage. Always ask an expert first before topping up or charging your motorcycle battery.
Show More
7 views
1 answer
Marine Battery
Last Answer : It's nice to go fishing or sailing on a warm sunny day but make sure that your boat has the right battery to power it. A good boat runs on a good marine battery. There are two basic types ... switch a deep-cycle with a cranking battery. The proper battery use will ensure a day of smooth sailing.
Show More
6 views
1 answer
Lead Acid battery
Last Answer : If you are a car owner, no doubt you have heard of the term lead-acid battery many times. Well, most car, truck, motorcycle and marine batteries are lead-acid batteries. Lead-acid ... for many of their power supply needs. Lead pollution can be lessened by proper disposal of these batteries.
Show More
24 views
1 answer
Battery Trays
Last Answer : You cannot just put a battery in your car, leave it there and drive. That battery might fall over and cause some serious problems to your car. You need a battery tray to secure the battery ... , vibration and shock. High-end models cost more but you will eventually spend less on their maintenance.
Show More
1 view
1 answer
Battery Terminal Cleaners
Last Answer : Corrosion is the enemy of car batteries. It can make the most high-end cars fail to start. Battery terminals are especially prone to corrosion because of the presence of water and acid in their ... be restored. If your battery terminals have too much deposit buildup, replace them with new ones.
Show More
6 views
1 answer
Battery Terminal
Last Answer : Automotive battery terminals can mean either the posts on a battery to which the jumper cables attach or the part of the cables that attach to the battery's posts. The latter are sometimes ... properly maintained for the car to run smoothly. Regular inspection helps to keep them in good condition.
Show More
5 views
1 answer
Battery Clips
Last Answer : So you have a car battery that is losing its power and you don't want to buy a new one. You can recharge it by using battery chargers. However, how do you connect the charger to your ... are unsure about how these clips fasten to your car's battery, ask experts first to avoid potential accidents.
Show More
1 view
1 answer
