A light bulb is connected to a 110-V source.What is the resistance of this bulb if it is a 100-W bulb?
A) 100 Ω
B) 8.0 mΩ
C) 6.0 mΩ
D) 120 Ω
E) 240 Ω

Name: A light bulb is connected to a 110-V source.What is the resistance of this bulb if it is a 100-W bulb? A) 100 Ω B) 8.0 mΩ C) 6.0 mΩ D) 120 Ω E) 240 Ω
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The power (P) is 100 W and the voltage (V) is 110 V. Using the formula P = V^2 / R, we can solve for resistance (R): R = V^2 / P = (110^2) / 100 = 121 Ω, which is closest to 120 Ω.

A Light Bulb Is Connected to a 110-V Source