KCET 2010 Physics Solved Paper

© examsiri.com

Question : 37 of 60

Marks: +1, -0

B1,B2 and B3 are the three identical bulbs connected to a battery of steady e.m.f. with key K closed. What happens to the brightness of the bulbs B1 and B2 when the key is opened?

Brightness of the bulb, B1 decreases and that of B2 increases.
Brightness of the bulbs B1 and B2 decreases.
Brightness of the bulbs B1 increases and that of B2 decreases.
Brightness of the bulbs B1 and B2 increases.

Go to Question:

Prev Question

Next Question