Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.67. 0.27. 0.32. 0.45. 0.67. 0.27. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.3 µs 3.1 µs 3.2 µs 3 µs. 3.3 µs 3.1 µs 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J1 is swept out. both B and C. charge carrier of junction J3 is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Iron. Silver. Carbon. Aluminium. Iron. Silver. Carbon. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. infinity. high. low. moderate. infinity. high. low. ANSWER DOWNLOAD EXAMIANS APP
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