A 100-W light bulb is in a socket supplied with 120 V.What is the current in the bulb?
A) 7200 A
B) 0.83 A
C) 1.4 A
D) 0.50 A

Question

Quizplus · Accepted Answer

We can use the formula: 
Power (P) = Current (I) x Voltage (V)

Rearranging the formula to solve for current, we get: 
I = P / V

Substituting the given values, we get: 
I = 100 W / 120 V

Simplifying, we get: 
I = 0.83 A

Therefore, the answer is choice B.

A 100-W Light Bulb Is in a Socket Supplied with 120