EASY
12th CBSE
IMPORTANT
Earn 100

A comb run through one's dry hair attracts small bits of paper. Why? What happens if the hair is wet or if it is a rainy day?

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 13
Ordinary rubber is an insulator. But the special rubber tyres of aircrafts are made slightly conducting. Why is this necessary?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 14
Vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion. Why?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 15
An inflated balloon is charged by rubbing with fur. Will it stick readily to a conducting wall or to an insulating wall? Give reason.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 16
A metal sphere is fixed on a smooth horizontal insulating plate. Another metal sphere is placed a small distance away. If the fixed sphere is given a charge, how will the other sphere react?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 17
Is there some way of producing high voltage on your body without getting a shock?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 18
A charged rod attracts bits of dry cork which after touching the rod, often jump away from it violently. Why?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 19

What does q1+q2=0 signify in electrostatics?

or

Two charges q1 and q2, separated by a small distance satisfy the equation q1+q2=0. What does it tell about the charges?

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>VERY SHORT ANSWER CONCEPTUAL PROBLEMS>Q 20
Name the experiment which established the quantum nature of electric charge.