Power Electronics A UJT has ___________. Three pn junctions One pn junction Two pn junctions None of these Three pn junctions One pn junction Two pn junctions None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Decreases Essentially remains the same Increases None of these Decreases Essentially remains the same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 108 ohm 111.9 ohm 11.19 ohm 115 ohm 108 ohm 111.9 ohm 11.19 ohm 115 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Five Two Four Three Five Two Four Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same None of these Is increased Is decreased Remains the same None of these Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
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