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Q#1 Phase Controlled Converter GATE EE 1997 MCQ +2 marks -0.66 marks

An SCR is connected in series with a 300V ac supply and a 300 ohms load resistor. Calculate for a firing angle of 45°

  1. The reading of a moving coil ammeter connected in series with the load and
  2. The reading on a moving iron voltmeter connected across the SCR

Reading of a moving coil ammeter = 0.4258 A
Reading on a moving iron voltmeter = 221.55 V

Reading of a moving coil ammeter = 0.3842 A
Reading on a moving iron voltmeter = 321.45 V

Reading of a moving coil ammeter = 0.3842 A
Reading on a moving iron voltmeter = 221.55 V

Reading of a moving coil ammeter =  0.2657 A
Reading on a moving iron voltmeter = 221.55 V

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