Power Electronics A triac is a ___________ switch None of these Bidirectional Unidirectional Mechanical None of these Bidirectional Unidirectional Mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SCR. SITH. GTO. SIT. SCR. SITH. GTO. SIT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Using heat sink. Use of snubber circuit. Using equalizing circuit. Using CB and fuse. Using heat sink. Use of snubber circuit. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power transistor are type of All of above. IGBTs. BJTs. MOSFETs. All of above. IGBTs. BJTs. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
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