Question

a lamp rated 100 watt at 220 volt is connected to mains electric supply line if the Voltage is 220 volt .(B) what is its resistance​

Answer 1

Explanation:

When a lamp rated 100 W at 220 V is connected to the main electric supply0.455 ampere current and 483.5 ohms resistance must be there.

Answer 2

Answer:

2.2ohm

Explanation:

V= IxR

220=100xR

R=220/100

R=2.2 ohm