Electrical Engineering Mcqs | Industrial Drives

Which of the following motors is used for elevators ?

Byadmin December 24, 2018August 12, 2021

Which of the following motors is used for elevators ?

A. Induction motor
B. Synchronous motor
C. Capacitor start single phase motor
D. Any of the above

Electrical Engineering Mcqs | Passive Filters

A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?

A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?

A. 10.9 V
B. 1.09 V
C. 1.1 V
D. 12 V

Read More A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?
Electrical Engineering Mcqs | Transistor Audio Power Amplifiers

A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?

A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?

A. 5 kO
B. 20 kO
C. 100 kO
D. 10 kO

Read More A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?
Electric Traction | Electrical Engineering Mcqs

Which of the following braking systems is used on steam locomotives ?

Which of the following braking systems is used on steam locomotives ?

A. Hydraulic system
B. Pneumatic system
C. Vacuum system
D. None of the above

Read More Which of the following braking systems is used on steam locomotives ?
Digital Electronics | Electrical Engineering Mcqs

Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is__________________?

Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is__________________?

A. TTLAS
B. CMOS
C. ECL
D. TTLLS

Read More Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is__________________?
Electrical Engineering Mcqs | Single Stage Transistor Amplifiers

The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?

The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?

A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above

Read More The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
Electrical Engineering Mcqs | Single Stage Transistor Amplifiers

The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?

The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?

A. Transistor
B. Biasing circuit
C. Collector supply VCC
D. None of the above

Read More The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?

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