A certain x-ray tube requires a current of 7 mA at a voltage of 80 kV. The rate of energy dissipation (in watts) is:
A) 560
B) 5600
C) 26
D) 11.4
E) 87.5

Name: A certain x-ray tube requires a current of 7 mA at a voltage of 80 kV. The rate of energy dissipation (in watts) is: A) 560 B) 5600 C) 26 D) 11.4 E) 87.5
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Question

Quizplus · Accepted Answer

The rate of energy dissipation is given by the product of the current and the voltage:P = IV = (7 mA)(80 kV) = 560 W

A Certain X-Ray Tube Requires a Current of 7 MA