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In heat wave diathermy, the maximum power given out is 500 W and the maximum voltage possible is 4000V. Thus, what is the highest resistance that heat wave diathermy machine can deal with?(a) 3.2 K ohm(b) 32 K ohm(c) 320 K ohm(d) 3200 K ohmI had been asked this question in unit test.I'd like to ask this question from Diathermy, Measurement of Radiation, Dose and its Calculations in chapter Radiation Therapy of Clinical Science |
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Answer» RIGHT option is (b) 32 K ohm For explanation: The simple formula for power, VOLTAGE and RESISTANCE is USED. P = V2/R R = V2/P R = 40002/500 R = 32 K ohm. |
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