Asked by hi
A 60 Watt light bulb draws 0.5 A of current.
a. What is the voltage across the light bulb?
b. What is the resistance of the light bulb?
a. What is the voltage across the light bulb?
b. What is the resistance of the light bulb?
Answers
Answered by
Damon
power in watts = Volts * current in amps
60 = V * 0.5
V = 120 Volts (seems about right)
V = i R
R = V/i
60 = V * 0.5
V = 120 Volts (seems about right)
V = i R
R = V/i
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