NCERT Physics Class 12 Exemplar Chapter 1 Electric Charges and Fields Part 1

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Multiple Choice Questions

Q.1 In Fig, two positive charges fixed along the axis, exert a net electric force in the direction on a charge fixed along the axis. If a positive charge is added at , the force on

Image of Two positive charges q2 and q3

Image of Two Positive Charges q2 and q3

Image of Two positive charges q2 and q3

  1. Shall increase along the positive x-axis.

  2. Shall decrease along the positive x-axis.

  3. Shall point along the negative x-axis.

  4. Shall increase but the direction changes because of the intersection of with .

Answer: A

Q.2 A point positive charge is brought near an isolated conducting sphere (Fig.). The electric field is best given by

Positive

Tittle: Image of positive charge in sphere

Electric Field Point Charge

Tittle: Image of positive charge in sphere

  1. Fig (i)

  2. Fig(ii)

  3. Fig (iii)

  4. Fig (iv)

Answer: A