_____________ filter circuit results in the best voltage regulation?
A. choke input
B. capacitor input
C. resistance input
D. none of the above
Month: December 2018
The output impedance of a transistor connected in_____________arrangement is the highest?
The output impedance of a transistor connected in_____________arrangement is the highest?
A. common emitter
B. common collector
C. common base
D. none of the above
A 1,000 V power supply would use_____________ as a filter capacitor?
A 1,000 V power supply would use_____________ as a filter capacitor?
A. paper capacitor
B. air capacitor
C. mica capacitor
D. electrolytic capacitor
IC = aIE +____________?
IC = aIE +____________?
A. IB
B. ICEO
C. ICBO
D. ßIB
If the PIV rating of a diode is exceeded,_______________?
If the PIV rating of a diode is exceeded,_______________?
A. the diode conducts poorly
B. the diode is destroyed
C. the diode behaves like a zener diode
D. none of the above
The most widely used rectifier is ________________?
The most widely used rectifier is ________________?
A. half-wave rectifier
B. centre-tap full-wave rectifier
C. bridge full-wave rectifier
D. none of the above
In a pnp transistor, the current carriers are______________?
In a pnp transistor, the current carriers are______________?
A. acceptor ions
B. donor ions
C. free electrons
D. holes
The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
A. one-half
B. the same as
C. twice
D. four times
The collector of a transistor is____________doped?
The collector of a transistor is____________doped?
A. heavily
B. moderately
C. lightly
D. none of the above
A 10 V power supply would use ____________ as filter capacitor?
A 10 V power supply would use ____________ as filter capacitor?
A. paper capacitor
B. mica capacitor
C. electrolytic capacitor
D. air capacitor