Electrical Engineering Mcqs Practice Test

Question 1

The circuit whose properties are same in either direction is known as__________?

Accepted Answer

B.  bilateral circuit

Question 2

If resistance across LM in Fig. 2.30 is 15 ohms, the value of R is____________?

Accepted Answer

C. 30 Q

Question 3

Kirchhoff s voltage law applies to circuits with____________?

Accepted Answer

D.  linear, non-linear, active, passive, time varying as wells as time-in-variant elements

Question 4

Kirchhoff s law is applicable to____________?

Accepted Answer

D.  both a.c. as well d.c. circuits

Question 5

A capacitor is generally a____________?

Accepted Answer

C. linear and bilateral component

Question 6

“Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with____________?

Accepted Answer

D.  Maximum power transfer theorem

Question 7

For a voltage source:

Accepted Answer

B. terminal voltage cannot be higher than source e.m.f.

Question 8

The concept on which Superposition theorem is based on_____________?

Accepted Answer

D.  linearity

Question 9

According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always____________?

Accepted Answer

D.  zero

Question 10

Choose the incorrect statement: A branch formed by the parallel connection………

Accepted Answer

A.  A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.

Question 11

Which of the following is a bilateral element?

Accepted Answer

C.  Capacitance

Question 12

Between the branch voltages of a loop the Kirchhoff s voltage law imposes_____________?

Accepted Answer

B.  linear constraints

Question 13

The superposition theorem is applicable to____________?

Accepted Answer

C.  linear responses only

Question 14

In a series parallel circuit, any two resistances in the same current path must be in___________?

Accepted Answer

A.  series with each other

Question 15

For high efficiency of transfer of power, internal resistance of the source should be____________?

Accepted Answer

B.  less than the load resistance

Question 16

Kirchhoff s law is not applicable to circuits with____________?

Accepted Answer

C.  distributed parameters

Question 17

Which of the following is non-linear circuit parameter?

Accepted Answer

D. Transistor

Question 18

An ideal voltage source should have______________?

Accepted Answer

C.  zero source resistance

Question 19

Kirchhoff s current law states that

Accepted Answer

B.  Hebraic sum of the currents meeting at the junction is zero

Question 20

A linear resistor having 0 < R < °o is a______________?

Accepted Answer

C.  both current controlled and voltage controlled resistor