Which of the following is used in heat sink_____________?
Which of the following is used in heat sink_____________?
A. Iron
B. Aluminium
C. Carbon
D Silver
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Advantages of Cuk converter is / are_____________?
Advantages of Cuk converter is / are_____________?A. Large number of reactive component
B. Low stress on switch
C. Low stress on capacitor
D. None of theseWhich triggering is the most reliable____________?
Which triggering is the most reliable____________?A. Forward voltage triggering
B. Gate triggering
C. dV / dt triggering
D. Thermal triggeringIn a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?
In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?A. Flyback capacitor
B. Flyback resistor
C. Flyback transformer
D. Flyback transistorA 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 _____?
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 _____?A. 30° to 150°.
B. 30° to 180°.
C. 60° to 120°.
D. 60° to 180°.For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?
For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?A. 111.9 Ω.
B. 11.19 Ω.
C. 108 Ω.
D. 115 Ωn a phase controlled 3 phase ac voltage controller, the harmonic present is__________?
n a phase controlled 3 phase ac voltage controller, the harmonic present is__________?A. 2nd
B. 3rd
C. 5th
D. 7th