A single phase 230 V, 1 kW heater is connected across a 1-phase 230 V, 50 Hz supply through an SCR. The firing angle of the SCR is adjusted to give a rms voltage of 155 V. Find the power absorbed by the heater element. - Study24x7
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Karan Singh
01 May 2023 07:09 PM study24x7 study24x7

A single phase 230 V, 1 kW heater is connected across a 1-phase 230 V, 50 Hz supply through an SCR. The firing angle of the SCR is adjusted to give a rms voltage of 155 V. Find the power absorbed by the heater element.

A

250 watts

B

1 kW

C

 454 watts

D

378 watts

IIT-JEE Sciences
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