Parallel Circuits MCQ

Parallel Circuits MCQ

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  • 29th Aug, 2022

Parallel Circuits MCQ Questions

Take Parallel Circuits MCQ Test to Test Your Knowledge

Practice here the best Parallel Circuits MCQ Questions that checks your basic knowledge of Parallel Circuits. This Parallel Circuits MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Apart from this, you can also download Parallel Circuits MCQ PDF, completely free.

Parallel Circuits MCQ Test

1) What is the product-over-sum result of 150 and 6800?

  • A. 0.006
  • B.146.7
  • C.6800
  • D.150

2) When parallel resistors are of three different values, which has the greatest power loss?

  • A. The largest resistance
  • B.The smallest resistance
  • C.They have the same power loss.
  • D.Voltage and resistance values are needed.

3) The voltage across any branch of a parallel circuit

  • A. is equally applied to all branch conductances
  • B.is inversely proportional to total circuit resistance
  • C.is dropped in proportion to each branch resistance
  • D.None of the above

4) Components that connect in parallel form

  • A. Branches
  • B.Open circuits
  • C.Short circuits
  • D.A voltage divider

5) Kirchhoff's current law for parallel circuits states that the

  • A. sum of all branch voltages equals zero
  • B.total circuit resistance is less than the smallest branch resistor
  • C.sum of currents into a junction is equal to the difference of all the branch currents
  • D.sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction
Download Free : Parallel Circuits MCQ PDF

6) A parallel circuit is also used as a divider for

  • A. power
  • B.voltage
  • C.current
  • D.conductance

7) Which of the following are the better test devices used to isolate a suspected open component within a parallel circuit?

  • A. A wattmeter or a voltmeter
  • B.A voltmeter or an ohmmeter
  • C.An ammeter or an ohmmeter
  • D.Neither an ammeter nor a voltmeter

8) Which is considered to be the common reference for a parallel circuit?

  • A. Power
  • B.Current
  • C.Voltage
  • D.Resistance

9) The total resistance in a parallel circuit is always less than the least resistor.

  • A. True
  • B.False

10) A parallel circuit is sometimes called a current divider.

  • A. True
  • B.False

11) An open resistor in parallel will cause the total ___ to increase.

  • A. Current
  • B.Voltage
  • C.Power
  • D.Resistance

12) Three lights are connected in parallel across a 120 volt source. If one light burns out,

  • A. The remaining two will not light
  • B.The remaining two will glow dimmer
  • C.The remaining two will glow brighter
  • D.The remaining two will glow with the same brightness as before

13) Does a parallel circuit act as a current divider?

  • A. True
  • B.False

14) The total resistance is smaller than the smallest resistance in the circuit in a ____________ circuit.

  • A. Series
  • B.Parallel
  • C.Both Series & Parallel
  • D.Either Series & Parallel

15) The current in each branch of a parallel circuit is proportional to which of the following?

  • A. Equal in all branches
  • B.Proportional to the power in the circuit
  • C.The amount of time the circuit is on for
  • D.Proportional to the value of the resistors

16) When an additional resistor is connected across an existing parallel circuit, the total resistance

  • A. Decreases
  • B.Remains the same
  • C.Decreases by the value of the add resistor
  • D.None of the above

17) If one of the resistors in a parallel circuit is removed, the total resistance

  • A. Doubles
  • B.Increases
  • C.Decreases
  • D.Remains the same

18) A circuit is parallel between two points if ........................

  • A. the voltage divides
  • B.all resistors are equal
  • C.there is only one current path
  • D.more than one current path exists

19) Which of the following is most cost efficient connection?

  • A. Series
  • B.Parallel
  • C.Both Series & Paralles
  • D.None of above

20) In a certain five-step R/2R ladder network, the smallest resistor value is ...............

  • A. 2 kΩ
  • B.10 kΩ
  • C.20 kΩ
  • D.Indeterminable

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