An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.

Open in App

Solution

Here, V = 220 V and I = 0.5 A (given)
Power drawn by the device is given by:
P = VI

Therefore:
P = 220 x 0.5
= 110 W

Suggest Corrections

Similar questions

An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.

An electric bulb is connected to a 220V generator , the current is 0.50A . calculate the power of the bulb

A 100W electric bulb is connected to 220V main power supply. Calculate the strength of electric currect passing through the bulb. If the same bulb is taken to USA where the main power supply is 110V, how much electric current will pass through the bulb when connected to mains?

Q. An electric bulb marked as

50 W - 200 V

is connected across a

100 V

supply. The present power of the bulb is

Q. A bulb of

22 Ω

is producing light when connected to a

220 V

supply. What is the electric power of the bulb?

Join BYJU'S Learning Program

An electric bulb is connected to a 220 V power supply line. If the bulb draws a current of 0.5 A, calculate the power of the bulb.

Here, V = 220 V and I = 0.5 A (given)Power drawn by the device is given by: P = VITherefore: P = 220 x 0.5 = 110 W

Here, V = 220 V and I = 0.5 A (given)
Power drawn by the device is given by:
P = VI

Therefore:
P = 220 x 0.5
= 110 W