An electric heater is controlled by thyristors through on-off control. If a = 0.4, the heating is

1.

An electric heater is controlled by thyristors through on-off control. If a = 0.4, the heating is

[A].	16% maximum
[B].	40% of maximum
[C].	60% of maximum
[D].	84% of maximum

Answer: Option B

Explanation:

V_l = V √a. Therefore V_l² - V² (a). Heating is proportional to a.

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