An ideal thyristor is driving an R-L load of impedance Z. Input AC voltage V_s = V_msinωmt. If thyristor if fired at an input phase angle of 90°. What will be the output voltage and output current across R-L load as the instant of firing?

A) Output voltage is V_m and output current is V_m/Z B) Output voltage and output current are both zero C) Output voltage is zero and output current is delayed by an angle 90° D) Output voltage is V_m and output current is zero

Answer & Solution

Correct Answer: Option D

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An ideal thyristor is driving an R-L load of impedance Z...

An ideal thyristor is driving an R-L load of impedance Z. Input AC voltage Vs = Vmsinωmt. If thyristor if fired at an input phase angle of 90°. What will be the output voltage and output current across R-L load as the instant of firing?

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An ideal thyristor is driving an R-L load of impedance Z. Input AC voltage V_s = V_msinωmt. If thyristor if fired at an input phase angle of 90°. What will be the output voltage and output current across R-L load as the instant of firing?