series and parallel circuit mcqs

series and parallel circuit mcqs

A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 Ω. The other resistor value is ___.

1.  1,403 Ω
2.  4.7 kΩ
3.  2 kΩ
4.  3,403 Ω

Batteries are generally connected in

1.  Parallel
2.  Series
3.  Either series or parallel
4.  None of the above

It is preferable to connect bulb in seiers or parallel ?

1. series
2.Parallel
3.both
4.none

A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately

1.  30 Ω
2.  60 Ω
3.  470 Ω
4.  790 Ω

Calculate equivalent resistance between point A and B, when 1 ohm parallel with 2 ohm connected in series with 3 ohm and 4 ohm .

1. 7 ohm
2. 7.76 ohm
3. zero ohm
4. 7.67 ohm

What is the smallest resistor value in a certain five-step R/2R ladder network?

1.  2 kΩ
2.  10 kΩ
3.  20 kΩ
4.  None of the above

A Voltage divider consists of two 68 kΩ resistors and a 24 V source. What is the unknown output voltage?

1.  0 V
2.  6 V
3.  12 V
4.  24 V

Batteries are generally connected in …………

1.  Series
2.  Parallel
3.  Either series or parallel
4.  None of the above

Which of the following is the most cost-efficient connection?

1.  Parallel
2.  Series
3.  Either series or parallel
4.  Both series or parallel

It is preferable to connect bulbs in series or in parallel?

1.  Series
2.  Parallel
3.  Both series and parallel
4.  Neither series nor parallel

Bulbs are generally connected in______.

1.  Series
2.  Parallel
3.  Either series or parallel
4.  Neither series nor parallel

In a series circuit, the total resistance is greater than the largest resistance in the circuit.

1.  True
2.  False

In a ____________ circuit, the total resistance is smaller than the smallest resistance in the circuit.

1.  Series
2.  Parallel
3.  both (A) and (B)
4.  None of the above

Is series circuit is the most cost efficient connection?

1.  Yes
2.  No

In series circuit, total resistance Rt is calculated with the formula ____.

1.  Rt = R1 + R2 + R3+…
2.  Rt = R1 – R2 – R3
3.  Rt = 1(R1 + R2 + R3)-1
4.  Both A and B

You can find total resistance in a Parallel circuit with the following formula:

1.  Rt = R1 + R2 + R3 +…
2.  1/Rt = 1/R1 + 1/R2 + 1/R3 +…
3.  Both A and B
4.  None of the above

On which of the following voltage range settings will a voltameter present minimum load on a circuit?

1.  1 V
2.  50 V
3.  500 V
4.  1,000 V

A Voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is ___.

1.  12 V
2.  24 V
3.  0 V
4.  6 V

A galvanometer is a meter that measures small amounts of voltage.

1.  True
2.  False

Three 20 ohm resistance connected in series with two 20 ohm resistance,find equivalent resistance ?

1. 6.67 ohm
2. 46.67 ohm
3. 26.67 ohm
4. 10.67 ohm

The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is ___.

1.  20,000 Ω
2.  100,000 Ω
3.  200,000 Ω
4.  1,000,000 Ω

A smaller-value load resistor will cause the output voltage to change more than a larger-value one.

1.  True
2.  False

In series, if one bulb goes out, others will :

1.  stay
2.  on also turn off
3.  blow up
4. heat up

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