Of the two bulbs in a house, one glows brighter than the other. Which of the two has a larger resistance?

a) the dim bulb
b) the bright bulb
c) both have the same resistance
d) the brightness doesn't depend on the resistance

Give a detailed reason for your choice.

1

Answers

  • Brainly User
2015-02-23T20:38:30+05:30

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(B) THE BRIGHT BULB WILL HAVE MORE RESISTANCE THAN DIM BULB.

because According to P = I²R,

if the currents are the same, the bulb with the
larger R will have the larger power P. And u know power is dissipated as heat (i²r) which gives glowing effect.
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