Power Electronics The triac is ___________. A four-terminal device Not a thyristor Like a bidirectional SCR None of these A four-terminal device Not a thyristor Like a bidirectional SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. all. rise time. delay time. spread time. all. rise time. delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. None of these One pn junction Two pn junctions Three pn junctions None of these One pn junction Two pn junctions Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
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