Power Electronics Rise time is defined by the interval when anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. all. delay time. rise time. spread time. all. delay time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. ANSWER DOWNLOAD EXAMIANS APP
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