Multiple choice questions on electrical circuits #23

                                      Hi friends, these are some of the multiple choice questions on electrical circuits. These are some of the basic questions which are asked in previous competitive papers check out and comment...

1) Barium-strontium titanite dielectric material is also called
A) Ceramic
B) Polyster
C) Electrolytic
D) Bakelite

Ans:A

2) In the 5-band method of capacitor color coding, the first band indicates
A) Temperature coefficient
B) Tolerance
C) lst digit
D) Capacitance value

Ans:A

3) What is the most convenient way of achieving large capacitance?

A) By using multiplate construction

B) By using air as dielectric

C) By decreasing distance between plates

D) By using dielectric of low permittivity

Ans:A

4) A linear circuit is one whose parameters

A) Change with change in voltage

B) Change with change in current

C) Do not Change with  voltage and current

D) Change with change in voltage and current

Ans:C

5) For a linear circuit,................. voltage or current is used to calculate average power.
A) Rms

B) Peak

C) Average

D) Instantaneous

Ans:A

6) When two coils of identical reactance are in parallel without mutual inductance, the reactance of the combination is _ the reactance of each coil.
A) One half

B) Twice

C) Four times

D) One fourth

Ans:A

7) Which of the following is also known as anti-resonant circuit?
A) Parallel resonant circuit

B) Series resonant circuit

C) Tuned circuit

D) Tank circuit

Ans:A

8) In a complex number 5 + j 10, 10 is called .................. part.
A) Imaginary

B) Real

C) Conjugate

D) Integer

Ans:A

9) The presence of an electric current is made known by
A) Electric shock
B) Effects produced
C) Magnetic shock
D) Flashing

Ans:B

10) The reciprocal of a complex number is
A) A complex number
B) A real number
C) An imaginary number
D) A whole number

Ans:A

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