What do you mean by discharging action of points? What is electric wind?

Important Questions on Electrostatics-General Properties of Electric Charge

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 9

Describe the action of points as collector of charge.

HARD

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 10

How does lightning occur? What is ‘lightning conductor' and for what purpose it is used? With the explanation of the “action of points' of a pointed conductor and the role played by ‘electric wind' discuss the working principle of lightning conductor.

HARD

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 11

Describe an experiment to prove that equal amounts of opposite charges are produced by induction.

HARD

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 12

Describe Faraday's ice-pail experiment and explain the conclusions it arrived at.

EASY

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 1

An uncharged conducting ball is suspended by a thread and a charged conductor is brought close to it. The conducting ball will be-

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 2

Static electricity is produced due to-

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 3

Five balls numbered $1$ to $5$ are suspended using separate threads. Pairs $(1, 2)$, $(2, 4)$ and $(4, 1)$ show electrostatic attraction, while pair $(2, 3)$ and $(4, 5)$ show repulsion. Therefore ball $1$ must be

EASY

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 1 - Electrostatics-General Properties of Electric Charge>EXERCISE 1>Q 4

A soap bubble is given a negative charge. Then its radius-