Explore topic-wise MCQs in Physics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

Phasors rotate in the clockwise direction.

A. True
B. False
Answer» C.
Discussion
2.

What does a phasor represent?

A. Current and resistance
B. Current and voltage
C. Voltage and resistance
D. Voltage and power
Answer» C. Voltage and resistance
Discussion
3.

What is the general expression of a sinusoidal signal?

A. A(t) = A<sub>m</sub> sin u2061( t )
B. A(t) = sin u2061( t + )
C. A(t) = A<sub>m</sub> sin u2061( t + )
D. A(t) = 2A<sub>m</sub> sin u2061( t + )
Answer» D. A(t) = 2A<sub>m</sub> sin u2061( t + )
Discussion
4.

Identify the function of a phasor from the following.

A. Phasor is a vector quantity used to represent a sinusoidal signal
B. Phasor is a scalar quantity used to represent a sinusoidal signal
C. Phasor is a vector quantity used to represent a cosine signal
D. Phasor is a scalar quantity used to represent a cosine signal
Answer» B. Phasor is a scalar quantity used to represent a sinusoidal signal
Discussion