Mathematics · Power Electronics

A single-phase 220V, 1kW electric room radiator is connected across a 220V supply through a triac. For a delay angle of 90°, the value of power dissipated by the radiator is:

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Correct answer

500 W

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A single-phase 220V, 1kW electric room radiator is connected across a 220V supply through a triac. For a delay angle of 90&deg;, the value of power dissipated by the radiator is: