Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.32. 0.67. 0.45. 0.27. 0.32. 0.67. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 110 A. 120 A. 150 A. 100 A. 110 A. 120 A. 150 A. 100 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Iron. Carbon. Silver. Aluminium. Iron. Carbon. Silver. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 10 KV. 2 KV. 8 KV. 6 KV. 10 KV. 2 KV. 8 KV. 6 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor A four-terminal device None of these Like a bidirectional SCR Not a thyristor A four-terminal device None of these Like a bidirectional SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased Is increased None of these Remains the same Is decreased Is increased None of these Remains the same ANSWER DOWNLOAD EXAMIANS APP
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