Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than None of these Equal to More than Less than None of these Equal to More than 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 150 A. 120 A. 100 A. 110 A. 150 A. 120 A. 100 A. 110 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Double-base Low resistance High resistance Single-base Double-base Low resistance High resistance Single-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Semi conductor diodes. TRIACs. Thyristor. MOSFETs. Semi conductor diodes. TRIACs. Thyristor. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
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