Carbon rods are used in wet and dry cells because?

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1 Answer

Answer :

Carbon rods are used in wet and dry cells because carbon rod serves as conductor, carbon can resist the attack of battery acid.

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Related questions

Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium-ion channels. (c) Rods are very sensitive and contribute to daylight vision. (d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

Description : Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells ... d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

Last Answer : (c) Rods are very sensitive and contribute to daylight vision.

Carbon resistors are used extensively because they are?

Last Answer : Carbon resistors are used extensively because they are easy to make, compact, inexpensive.

Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of (A) High carbon steel (B) Molybdenum (C) Zircaloy (D) Boron or cadmium

Description : Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of (A) High carbon steel (B) Molybdenum (C) Zircaloy (D) Boron or cadmium

Last Answer : (D) Boron or cadmium

Why do electrons transfer from zinc rods to copper rods in galvanic cells ?

Description : Why do electrons transfer from zinc rods to copper rods in galvanic cells ?

Last Answer : Zinc rods and zinc sulphate solutions are used at the anode of galvanic cells and copper rods and copper sulphate solutions are used at the cathode. Zinc acts as an antidote and copper as an oxidizer, ... . Thus , electrons are transferred from the zinc bar to the copper bar in the mentioned cell.

The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of

Description : The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of

Last Answer : The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a ... Vitamin B 1 C. Vitamin C D. Vitamin D

The light sensitive cells that respond to dim light are ________. a)cones b)rods c)cornea d)retina

Description : The light sensitive cells that respond to dim light are ________. a)cones b)rods c)cornea d)retina

Last Answer : b)rods

Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer

Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer 

Last Answer : ANSWER: A

The carbon percentage is least in

Last Answer : The carbon percentage is least in wrought iron.

A carbon resistor contains?

Last Answer : A carbon resistor contains finely divided carbon black.

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal (A) Tensile strength (B) Compressive strength (C) Young's modulus (D) Thermal co-efficient of expansion

Description : Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal (A) Tensile strength (B) Compressive strength (C) Young's modulus (D) Thermal co-efficient of expansion

Last Answer : (D) Thermal co-efficient of expansion

In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction

Description : In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction

Last Answer : B. Marked cervical constriction

The magnetic materials exhibit the property of magnetisation because of

Last Answer : The magnetic materials exhibit the property of magnetisation because of spin of nucleus.

Magnetising steel is normals difficult because

Last Answer : Magnetising steel is normals difficult because it has low permeability.

Copper, even though costly, finds use in the windings of electrical machines because

Last Answer : Copper, even though costly, finds use in the windings of electrical machines because copper points offer low contact resistance , copper can be easily soldered and welded, copper windings are less bulky and the machines become compact.

The resistivity of a metal is a function of temperature because

Last Answer : The resistivity of a metal is a function of temperature because the amplitude of vibration of the atoms varies with temperature.

When to use dry batteries, when to use wet batteries, and where do you find them?

Description : When to use dry batteries, when to use wet batteries, and where do you find them?

Last Answer : In many cases, dry cell batteries are not rechargeable, where wet cell batteries are. Dry cell batteries were once used in old telephone systems and wet cell batteries are used in automobiles. ... means of absorbent material -from The New Century Dictionary, 1944 ed. Like a flashlight battery.

Is it best to feed an 8 week old kitten dry or wet food?

Description : Is it best to feed an 8 week old kitten dry or wet food?

Last Answer : answer:When I got Mittens she was around that age. The shelter we got her from was giving her dry food and we just kept on feeding her what they used. They gave us a few bags of this stuff ... her that until around four months when we switched to adult food. Now she mostly eats birds and squirrels.

Can you dry out a wet matress?

Description : Can you dry out a wet matress?

Last Answer : I have a few times. Just toss it out in the sun. They actually dry pretty fast.

Should my hair be wet or dry when dying it with Manic Panic?

Description : Should my hair be wet or dry when dying it with Manic Panic?

Last Answer : I’ve used Manic Panic a bunch of times. I have done it while damp and also while dry. I had the best results with air dried hair. I would never in a million years dye my hair after blow drying it. Not even if you paid me.

What do you think is the best technique for wet/dry electric shaving?

Description : What do you think is the best technique for wet/dry electric shaving?

Last Answer : bump?

Why is a dog's nose sometimes wet and sometimes dry?

Description : Why is a dog's nose sometimes wet and sometimes dry?

Last Answer : Snot. And your dog’s tongue. Disgusting little beasties.

How come after it rains some concrete walkways are wet while others are dry?

Description : How come after it rains some concrete walkways are wet while others are dry?

Last Answer : That would be my bet. I see it too.

What is the difference between dry-aged and wet-aged beef?

Description : What is the difference between dry-aged and wet-aged beef?

Last Answer : Dry-aged beef is hung in a room where it's exposed so the juices on the outside of the meat can evaporate. Wet-aged beef is wrapped in plastic so the juices are retained.

Should a healthy dogs nose be warm or cold, wet or dry?

Description : Should a healthy dogs nose be warm or cold, wet or dry? Should a healthy dogs nose be warm or cold, wet or dry?

Last Answer : It's an old wives tale if you can tell how your dog is feeling by feeling his nose. Dogs' noses feel differently depending on activity, weather, etc. You can read more about dogs and their noses here in The Pet wiki article: Dogs and Cold, Wet Noses

how long will it take a plum seed to sprout in a moist wet napkin in a dark cool dry place?

Description : how long will it take a plum seed to sprout in a moist wet napkin in a dark cool dry place?

Last Answer : Need Answer

bonsai trees to wet, how to dry them out

Description : bonsai trees to wet, how to dry them out

Last Answer : Need Answer

when is it best to sow soil - wet or dry

Description : when is it best to sow soil - wet or dry

Last Answer : Need Answer

State a difference between wet farming and dry farming. -Geography

Description : State a difference between wet farming and dry farming. -Geography

Last Answer : Wet Farming Dry Farming Farming practised in regions receiving more than 75 cms of annual rainfall is called Wet farming. For e.g. Rice. Farming practised in regions with less than 75 cms of annual rainfall is called Dry farming. For e.g. Millets.

Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -Geography

Description : Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -Geography

Last Answer : (a) Laterite soil. Two states where this soil is found are Karnataka and Orissa. (b) Two characteristics of red soil are : (i) It does not retain water as it is porous. (ii) It is ... of plant remains, animal manure and dead animals is called humus. It makes the soil fertile, porous and light.

What is not dry nor wet but can be both? -Riddles

Description : What is not dry nor wet but can be both? -Riddles

Last Answer : Ice.

The more you dry yourself with me the more I get wet. What am I? -Riddles

Description : The more you dry yourself with me the more I get wet. What am I? -Riddles

Last Answer : A towel.

What goes in dry and hard, but comes out wet and soft? -Riddles

Description : What goes in dry and hard, but comes out wet and soft? -Riddles

Last Answer : Chewing gum, you perv!

What is dry going in, wet going out and satisfies two people? -Riddles

Description : What is dry going in, wet going out and satisfies two people? -Riddles

Last Answer : A tea bag!

There were five men going to church and it started to rain. The four that ran got wet and the one that stood still stayed dry. How did the one stay dry? -Riddles

Description : There were five men going to church and it started to rain. The four that ran got wet and the one that stood still stayed dry. How did the one stay dry? -Riddles

Last Answer : It was a body in a coffin with the bearers.

Distinguish between : Dry farming and wet farming. -SST 10th

Description : Distinguish between : Dry farming and wet farming. -SST 10th

Last Answer : Dry farming (i) Dry farming is that farming in which moisture is maintained by raising a special type of crops. (ii) This is practised in dry areas of the country such as, North Western India. ... Western slopes of the Western Ghats. (iii) Rice, jute, sugar-cane, etc., are the important crops.

Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Description : Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Last Answer : Name two states where this type of soil is found. (i) Laterite soil (ii) Orissa and Karnataka.

Name the Soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Description : Name the Soil which is formed due to high temperature and heavy rainfall with alternating wet and dry periods. -SST 10th

Last Answer : Laterite Soil; Kerala and Karnataka.

Which is the chief characteristics of wet and dry tropics? -General Knowledge

Description : Which is the chief characteristics of wet and dry tropics? -General Knowledge

Last Answer : The answer is 'Constant heating'

Which is the chief characteristics of wet and dry tropics? -General Knowledge

Description : Which is the chief characteristics of wet and dry tropics? -General Knowledge

Last Answer : answer:

Which is the chief characteristics of wet and dry tropics? -General Knowledge

Description : Which is the chief characteristics of wet and dry tropics? -General Knowledge

Last Answer : answer:

why wet food decay faster than dry food?

Description : why wet food decay faster than dry food?

Last Answer : Bacteria (which make your food decay) need moisture to live andthey thrive in it!

Why is it late to dry wet clothes in rainy season ?

Description : Why is it late to dry wet clothes in rainy season ?

Last Answer : During the monsoon season, the amount of water vapor in the air is high, which causes delays in drying wet clothes.

Why do wet clothes dry faster in winter than rainy days ?

Description : Why do wet clothes dry faster in winter than rainy days ?

Last Answer : On a rainy day the atmosphere is saturated with water vapor. As a result, air cannot hold large amounts of water vapor. Winter air is dry. The air is waterless. This air wants to be saturated by absorbing water vapor quickly from the wet. As a result, wet clothes dry quickly in winter.

Why Wet Clothes Dry Quickly in Winter ?

Description : Why Wet Clothes Dry Quickly in Winter ?

Last Answer : Wet cloth dries out quickly in winter as there is less water vapor in the air.

What to do if wet feet fall on dry place of urine ? My niece who is 02 years old. Pisses on the floor of the house. I wiped the place well with a damp cloth twice and then dried in the fan air. It didn't even smell of urine. Then after performing ablution for prayer, wet feet accidentally fall on the place of urination. In this situation I have prayed without washing my feet. Has my prayer been valid ? Was it important to wash your feet ?

Description : What to do if wet feet fall on dry place of urine ? My niece who is 02 years old. Pisses on the floor of the house. I wiped the place well with a damp cloth twice and then dried in the fan ... I have prayed without washing my feet. Has my prayer been valid ? Was it important to wash your feet ?

Last Answer : : In the case in question, your prayer is valid. Wet feet do not make your feet unclean. This is because after wiping the floor, it dries up and the effects of impurity disappear. (Musannaf Ibn Abi Shaybah 1/431 ; Nasbur Raya 1/26 ; Elaus Sunan 1/398 ; Fatawa Khaniya 1/25 ; Khulasatul Fatawa 1/42)

The ………………… in the trees provide clues about wet and dry periods. 

Description : The ………………… in the trees provide clues about wet and dry periods. 

Last Answer : Choose the correct option by identifying the correct correlation in the sentence: The in the trees ... (b) wood (c) rings (d) leaves

How much more does a wet cubic yard of sand weigh than dry cubic yard?

Description : How much more does a wet cubic yard of sand weigh than dry cubic yard?

Last Answer : Exactly how much more it weighs will depend on how wet itis.

What is the relative humidity when the dry bulb temperature is 16 and the wet bulb is 14 celcius?

Description : What is the relative humidity when the dry bulb temperature is 16 and the wet bulb is 14 celcius?

Last Answer : Feel Free to Answer

Are the summer monsoons wet or dry?

Description : Are the summer monsoons wet or dry?

Last Answer : What is the answer ?

How much more does a wet cubic yard of sand weigh than dry cubic yard?

Description : How much more does a wet cubic yard of sand weigh than dry cubic yard?

Last Answer : Exactly how much more it weighs will depend on how wet itis.