EASY

12th Madhya Pradesh Board

IMPORTANT

Earn 100

Explain the meaning of the statement ‘electric charge of a body is quantized’.

Important Questions on Electric Charges and Fields

EASY

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.4

Why can one ignore the quantization of electric charge when dealing with macroscopic i.e., large-scale charges?

EASY

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.5

When a glass rod is rubbed with a silk cloth, charges appear on both. A similar phenomenon is observed with many other pairs of bodies. Explain how this observation is consistent with the law of conservation of charge.

EASY

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.6

Four-point charges

q_{A} = 2 µ C, q_{B} = - 5 µ C, q_{C} = 2 µ C, and q_{D} = - 5 µ C

are located at the corners of a square

ABCD

of side

10 cm

. What is the force on a charge of

1 µ C

placed at the center of the square?

EASY

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.7

An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?

EASY

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.7

Explain why two field lines never cross each other at any point?

MEDIUM

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.8

Two point charges

q_{A} = 3 µ C

and

q_{B} = - 3 μC

are located

20 cm

apart in vacuum. What is the electric field at the midpoint

O

of the line

AB

joining the two charges? If a negative test charge of magnitude

1.5 \times 10^{- 9} C

is placed at this point, what is the force experienced by the test charge? Take,

\frac{1}{4 π \in_{0}} = 9 \times 10^{9} {Nm}^{2} C^{- 2}

MEDIUM

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.9

A system has two charges

q_{A} = 2.5 \times 10^{- 7} C

and

q_{B} = - 2.5 \times 10^{- 7} C

located at points

A

(0, 0, - 15 cm)

and

B

(0, 0, 15 cm)

, respectively. What is the total charge and electric dipole moment of the system?

MEDIUM

12th Madhya Pradesh Board

IMPORTANT

PHYSICS PART-1 TEXTBOOK FOR CLASS XII>Chapter 1 - Electric Charges and Fields>EXERCISES>Q 1.1

An electric dipole with dipole moment

4 \times 10^{- 9} C m

is aligned at

30^{°}

with the direction of a uniform electric field of magnitude

5 \times 10^{4} N C^{- 1}

. Calculate the magnitude of the torque acting on the dipole.

Explain the meaning of the statement ‘electric charge of a body is quantized’.

Important Questions on Electric Charges and Fields

Learn and Prepare for any exam you want !