Question

When 2.1 volt of potential difference is applied across ends of a lamp , then 0.21 ampere current Flows in its filament. Find resistance of filament of lamp

Answer 1

V=IR
2.1=0.21×R
R=2.1/0.21
R=10 ohm

hope it will help you

Answer 2

Answer:

According to ohm's law

Explanation:

V=IR ,R=V/I R=2.1/0.21=10ohm