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The Voltage Drop Across a Metal Bar Is 5.0 V5.0 \mathrm {~V}

Question 57

Multiple Choice

The voltage drop across a metal bar is 5.0 V5.0 \mathrm {~V} while there is a current of 10.0 mA10.0 \mathrm {~mA} through it.How much power does this bar dissipate?


A) 50 mW
B) 500 μW
C) 2.5 kW
D) 0.50 kW

Correct Answer:

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