An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the electric power supplied is converted into X-rays, the rate at which the target is heated in calories per second isA. 3.57B. 35.7C. 4.57D. 15

An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the elec

1.	An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the electric power supplied is converted into X-rays, the rate at which the target is heated in calories per second isA. 3.57B. 35.7C. 4.57D. 15
Answer» Correct Answer - A `P= VI = 150 xx 10^(3) xx 10 xx 10^(-3) = 1500 Js^(-1)` Heating rate of target `= (1500)/(4.2) xx (1)/(100) = 3.57 cal s^(-1)`

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An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the electric power supplied is converted into X-rays, the rate at which the target is heated in calories per second isA. 3.57B. 35.7C. 4.57D. 15

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