Question

if a bulb of 60 w is connected across a source of 220 V, find the current drawn by it.​

Answer 1

Answer:we know power = (voltage )^2 / resistance of bulb

60= (220)^2 / R

Then R = 806.67 ohm

Also power = (current )^2 * Resistance

Current = 0.2727 ampere

Explanation:

Answer 2

Answer:

Explanation:

Solution : Data : P=60 W, V=220 V, I=?

P=VI

∴ I=P/V=60W/220V=(3/11)A = 0.2727A

The current drawn by the bulb = 0.2727A (Approx)