Atmospheric Electricity

Q. An infinite conducting sheet has surface chargedensity σ. The distance between two equipotentialsurfaces is r. The potential difference betweenthese two surfaces is

Q. which of the following option is correct?(1)The total number of charged particles in the universe remains conserved(2) The magnitude of total positive charge of the universe is cons†an t(3) The magnitude of total negative charge of the universe is cons†an t4) The total charge of the universe is constant universe

Q. Two identical small bodies each of mass M and charge Q suspended from two strings each of length l from a common fixed point. If whole system is taken into an orbiting artificial satelite , then the strings make an angle θ with each other . The value of θ is

Q. 11. Two metal spheres, one of radius R and theother of radius 2R both have same surfacecharge density o. They are brought in contact andseparated. The surface charge density of biggersphere becomes

Q. Statement: The potential difference created between the top of the atmosphere and the surface of the Earth is lower than the potential difference between lower part of a thunderstorm and the surface of the Earth.

1. True
2. False

Q. Statement 1: A thunderstorm acts as a battery with its upper part acting as a positive terminal and lower part as a negative terminal.
Statement 2: Positive charges accumulate at the lower part of a thunderstorm and negative charges at its upper part.

1. Statement 1 is true and Statement 2 is false
2. Statement 1 is false and Statement 2 is true
3. Both statements are true
4. Both statements are false

Q. The surface of Earth has what type of excessive charge density?

1. Positive
2. Negative
3. Neutral
4. Positive during summer and negative during winters.

Q. Statement: The potential difference created between the top of the atmosphere and the surface of the Earth is lower than the potential difference between lower part of a thunderstorm and the surface of the Earth.

1. True
2. False

Q. Statement: The potential difference created between the top of the atmosphere and the surface of the Earth is lower than the potential difference between lower part of a thunderstorm and the surface of the Earth.

1. True
2. False

Q. Lightning was discovered by the

1. Ohm
2. Thomson
3. Franklin
4. Faraday

Q.

why earth gains positive as well as negative charge althogh it is neutral?

what happens if earth gain a large quantity of negative charge?what will be effect on its polarity?

Q. Statement 1: A thunderstorm acts as a battery with its upper part acting as a positive terminal and lower part as a negative terminal.
Statement 2: Positive charges accumulate at the lower part of a thunderstorm and negative charges at its upper part.

1. Statement 1 is true and Statement 2 is false
2. Statement 1 is false and Statement 2 is true
3. Both statements are true
4. Both statements are false

Q. The surface of Earth has what type of excessive charge density?

1. Positive
2. Negative
3. Neutral
4. Positive during summer and negative during winters.

Q. Statement 1: A thunderstorm acts as a battery with its upper part acting as a positive terminal and lower part as a negative terminal.
Statement 2: Positive charges accumulate at the lower part of a thunderstorm and negative charges at its upper part.

1. Statement 1 is true and Statement 2 is false
2. Statement 1 is false and Statement 2 is true
3. Both statements are true
4. Both statements are false

Q. Statement: The potential difference created between the top of the atmosphere and the surface of the Earth is lower than the potential difference between lower part of a thunderstorm and the surface of the Earth.

1. True
2. False

Q. The surface of Earth has what type of excessive charge density?

1. Positive
2. Negative
3. Neutral
4. Positive during summer and negative during winters.