The Voltage Drop Across a Metal Bar Is $5.0 \mathrm {~V}$

question 37

Multiple Choice

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

• A)50 mW
• B)500 ?W
• C)2.5 kW
• D)0.50 kW

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