A light bulb in a battery powered desk lamp has a current of 0.042 A and is connected to a 9.2 V battery. What is the resistance in the desk lamp?

A light bulb in a battery powered desk lamp has a


Answer:

A

Explanation:


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Answer: 219 Ohms, C

Explanation:

To find the resistance, you can use Ohm's Law:

V = IR

Where V is the voltage, I is the current, and R is the resistance.

9.2 = 0.042R\\\\\frac{9.2}{0.042} = R

Solving for R gives us around 219 Ω.


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