Explore topic-wise MCQs in Electrical Engineering Questions.

This section includes 306 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.

301.

In light emitting diode, the available light emitting region is

A. Less than 2.5 mm
B. From 2.5 to 25 mm
C. Greater than 25 mm
D. Greater than 50 mm
Answer» C. Greater than 25 mm
302.

The basic difference between square wave and pulse generator is their

A. Waveforms shape
B. Duty cycles
C. Frequency range
D. Cost
Answer» C. Frequency range
303.

In function generator, the output waveform of integrator is

A. Sinusoidal
B. Square
C. Triangular
D. Saw-tooth
Answer» D. Saw-tooth
304.

The full range of audibility in audio frequency oscillator is

A. 0 to 20 Hz
B. 20 Hz to 2 kHz
C. 20 Hz to 20 kHz
D. 20 Hz to 20 MHz
Answer» D. 20 Hz to 20 MHz
305.

In liquid crystal displays, the liquid crystal exhibits properties of

A. Liquid
B. Solids
C. Gases
D. Both (a) and (b)
E. None of these
Answer» E. None of these
306.

In the beginning, all the outputs of the successive approximation type register is at

A. Logic zero
B. Logic one
C. Toggling
D. None of these
Answer» B. Logic one