A single phase electric heater uses phase controlled thyristors. The firing angl

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Question
A single phase electric heater uses phase controlled thyristors. The firing angle is 90�. The degree of heating is
Options
A. 25% of maximum
B. 50% of maximum
C. 75% of maximum
D. none of the above

Correct Answer

50% of maximum

Explanation

Conduction occurs only during 50% of wave.

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Options
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