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The resistance of a lamp that draws 0.5A of current when it is operated by a 12V battery will be Ω
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The resistance of a lamp that draws 0.5A of current when it is operated by a 12V battery will be Ω

User Lak
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2 Answers

3 votes
According to ohm's law
V=IR
Or R=V/I
R=12/0.5
R=24ohm
User Chris Boesing
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5.5k points
2 votes
According to Ohm's Law, the resistance, current and voltage are related as:

V = IR
⇒
R = V/I

V is given to be 12 Volts.
I is given to be 0.5 Ampere

So, resistance will be:

R = 12/0.5 = 24 ohms
User Nassim
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6.0k points
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