A PNPN device having two gates is ___________?
A PNPN device having two gates is ___________?
A. Diac
B. Triac
C. SUS
D. BCS
Similar Posts
Double edge modulation eliminates certain harmonics when the reference is a__________?
Double edge modulation eliminates certain harmonics when the reference is a__________?A. Sine wave
B. Square wave
C. Triangular wave
D. Trapezoidal waveGate circuit or triggering circuit of a thyristor is
Gate circuit or triggering circuit of a thyristor isA. lower power circuit.
B. high power circuit.
C. magnetic circuit.
D. may be low power or high power circuitIn a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?
In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?A. Positive
B. Negative
C. Zero
D. None of theseAny electrical signal present in a circuit other than the desired signal is known as______________?
Any electrical signal present in a circuit other than the desired signal is known as______________?A. Noise
B. Distortion
C. Interference
D. All of theseIn a load commutated DC – DC chopper, the capacitor has a_____________?
In a load commutated DC – DC chopper, the capacitor has a_____________?A. Symmetric triangular voltage across itself
B. Symmetric rectangular voltage across itself
C. Symmetric trapezoidal voltage across itself
D. Symmetric sinusoidal voltage across itselfIn bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM outputA. Zero
B. Switches between – 1 / 2 and + 1 / 2
C. Switches between – 1 and + 1
D. Switches between 0 and + 1