- (A) High di/dt
- (B) High dv/dt
- (C) Low di/dt
- (D) Low dv/dt
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- (A) of long period
- (B) of short duration
- (C) both (A) and (B)
- (D) neither (A) nor (B)
- (A) 20 A
- (B) 200 A
- (C) 600 A
- (D) 400 A
- (A) TRIACs
- (B) Semi conductor diodes
- (C) MOSFETs
- (D) Thyristor
- (A) high thermal conductivity
- (B) large surface area
- (C) high melting point
- (D) All of these
- (A) AC switch
- (B) DC switch
- (C) Both a and B
- (D) Square wave switch
- (A) Iron
- (B) Aluminium
- (C) Carbon
- (D) Silver
- (A) Use of snubber circuit.
- (B) Using heat sink.
- (C) Using CB and fuse.
- (D) Using equalizing circuit
- (A) Controlled transistor
- (B) Controlled switch
- (C) Amplifier with higher gain
- (D) Amplifier with large current gain
- (A) lower power circuit.
- (B) high power circuit.
- (C) magnetic circuit.
- (D) may be low power or high power circuit

