Multiple choice questions on electrical circuits #1

                                 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) Conventional flow assumes charges flow from
A) Positive to Negative
B) Positive to positive
C) Negative to positive
D) Negative to negative

Ans:A

2) Electron flow assumes charges flow from
A) Negative to positive
B) Negative to negative
C) Positive to negative
D) Positive to positive

Ans:A

3) Series resonance occurs when
A) XL = XC
B) XL = R
C) Z = R
D) Both A and C

Ans:D

4) The symbol Q refers to
A) Resonance quotient
B) Quality factor
C) Power quotient
D) Qualification test

Ans:B

5) The ratio of W/VA in an ac circuit means
A) Power factor
B) Reactive factor
C) Quality factor
D) Load factor

Ans:A

6) What is the reciprocal of quality factor?
A) Power factor
B) Reactive factor
C) Dissipation factor
D) l/Q factor

Ans:C

7) In liquids and gases, ionization current results from a flow of
A) Positive or negative ions
B) Free electrons
C) Ions that are lighter in weight than electrons
D) Protons

Ans:B

8) Vl = Vc in a series RLC circuit when
A) The value of impedance is minimum
B) The power factor is zero
C) The current leads the total voltage by 90°
D) The total voltage is zero

Ans:A

9) At what frequency will an inductor of 5mH have the same reactance as a capacitor of 0.1µF?
A) 7.12 kHz
B) 7.12 Hz
C) 7.l2 MHz
D) 7.12 GHz

Ans:A

10) Property of an electric circuit that dissipates electric energy
A) Reactance
B) Impedance
C) Resistance
D) Conductance

Ans:C

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