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A television set connected to a 120-V outlet consumes 78 W
Chapter 21, Problem 6P(choose chapter or problem)
Problem 6P
A television set connected to a 120-V outlet consumes 78 W of power, (a) How much current flows through the television? (b) How long does it take for 10 million electrons to pass through the TV?
Questions & Answers
QUESTION:
Problem 6P
A television set connected to a 120-V outlet consumes 78 W of power, (a) How much current flows through the television? (b) How long does it take for 10 million electrons to pass through the TV?
ANSWER:
Step 1 of 3
(a)
Here we need to calculate the current through the television. If a television is connected to a voltage of and it consumes a power of .
Power consumed is given as,
Current will be,
Substituting and
Therefore, the current through the television is 0.65 A.