01․ If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

**0.625 × 10^19**

1.6 × 10^19

1.6 × 10^ - 19

0.625 × 10^ - 19

02․ The resistivity of the conductor depends on

area of the conductor.

length of the conductor.

**type of material.**

none of these.

03. Four capacitors each of 40 ÂµF are connected in parallel, the equivalent capacitance of the system will be

**160 ÂµF**

10 ÂµF

40 ÂµF

5 ÂµF

04. Five capacitors each of 5 ÂµF are connected in series, the equivalent capacitance of the system will be

5 ÂµF

25 ÂµF

10 ÂµF

**1 ÂµF**

05. The unit of resistivity is

Î©.

**Î© - metre.**

Î© / metre.

Î© / m².

06. Absolute permittivity of dielectric medium is represented as

Îµ0

Îµr

Îµr/Îµ0

**ÎµrÎµ0**

07. Magnetic flux has the unit of

Newton

Ampere turn

**Weber**

Tesla

08. If P is the power of a star connected system then what will be power of an equivalent delta connected system?

**P**

3P

P/3

None of the above

09. Which of the following are the passive elements?

Resistor

Bulb

**Both**

None of thes

10. Power dissipation in ideal inductor is

Maximum

Minimum

**Zero**

A finite value

11. Which of the followings is/are active element?

Voltage source

Current source

**Both**

None of these.

12. Inductor does not allow the sudden change of

current

voltage

power

None of the above

13. Capacitor does not allow the sudden change of

current

**voltage**

power

None of the above

14. Internal resistance of ideal voltage source is

**zero**

infinite

finite

100 ohm

15. Super position theorem is not applicable for

current calculations.

voltage calculations.

**power calculations.**

None of the above.

16. Which quantity should be measured by the voltmeter ?

Current

**Voltage**

Power

Speed

17. Which quantity consists of a unit 1KWh ?

**Energy**

Time

Power

Charge

18. Which of the following has no units?

1 point

Permeability

Moment of a magnet

**Magnetic susceptibility**

Permittivity

19. Which of the following quantities consists of SI unit as WATT ?

Force

Charge

Current

**Power**

20. KCL works on the principle of which of the following

1 point

**law of conservation of charge.**

law of conservation of energy.

both.

None of the above.

21. KVL works on the principle of

1 point

law of conservation of charge.

**law of conservation of energy.**

both.

None of the above.

22. Which of the following defined the average value ?

Voltage

Heating effect

Current

**Charge transfer**

23. Rms value is defined based on which of the following?

**Heating effect**

Charge transfer

Current

Voltage

24. Form factor is equal to Peak factor in case of

**square wave.**

triangle wave.

saw tooth wave.

all of the above

Read more» Basic electrical mcqs

25. Average power taken by the pure capacitor is

**Zero**

Minimum

Maximum

Any of the above