Question

What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q)
(ii) In which case the bulb will glow?
(iii) Does the brightness of the glowing bulb depend on the direction of current through it?

Answer 1

Solution:

(i) In case A: Q toP

In case B: P to Q

(ii) Yes, the bulb will glow in both the cases as the circuit is complete in both the cases.

(iii) No, the brightness of the glowing bulb does not depend on the direction of current through it.

Hope it helps..