Power Electronics Dynamic equalising circuit is useful to limit dV / dt of SCR. for voltage equalisation. both B and C. to limit di / dt of SCR. to limit dV / dt of SCR. for voltage equalisation. both B and C. to limit di / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
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