Power Electronics SCRs are used in series to meet low current demand. high voltage demand. high current demand. low voltage demand. low current demand. high voltage demand. high current demand. low voltage demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. None of these A mechanical A d.c. An c. None of these A mechanical A d.c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high thermal conductivity. All of these. large surface area. high melting point. high thermal conductivity. All of these. large surface area. high melting point. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in series. either series or parallel. anti parallel. in parallel. in series. either series or parallel. anti parallel. in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. 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 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
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