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 ___.
- 1,403 Ω
- 4.7 kΩ
- 2 kΩ
- 3,403 Ω
Batteries are generally connected in
- Parallel
- Series
- Either series or parallel
- 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
- 30 Ω
- 60 Ω
- 470 Ω
- 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?
- 2 kΩ
- 10 kΩ
- 20 kΩ
- None of the above
A Voltage divider consists of two 68 kΩ resistors and a 24 V source. What is the unknown output voltage?
- 0 V
- 6 V
- 12 V
- 24 V
Batteries are generally connected in …………
- Series
- Parallel
- Either series or parallel
- None of the above
Which of the following is the most cost-efficient connection?
- Parallel
- Series
- Either series or parallel
- Both series or parallel
It is preferable to connect bulbs in series or in parallel?
- Series
- Parallel
- Both series and parallel
- Neither series nor parallel
Bulbs are generally connected in______.
- Series
- Parallel
- Either series or parallel
- Neither series nor parallel
In a series circuit, the total resistance is greater than the largest resistance in the circuit.
- True
- False
In a ____________ circuit, the total resistance is smaller than the smallest resistance in the circuit.
- Series
- Parallel
- both (A) and (B)
- None of the above
Is series circuit is the most cost efficient connection?
- Yes
- No
In series circuit, total resistance Rt is calculated with the formula ____.
- Rt = R1 + R2 + R3+…
- Rt = R1 – R2 – R3
- Rt = 1(R1 + R2 + R3)^{-1}
- Both A and B
You can find total resistance in a Parallel circuit with the following formula:
- Rt = R1 + R2 + R3 +…
- 1/Rt = 1/R1 + 1/R2 + 1/R3 +…
- Both A and B
- None of the above
On which of the following voltage range settings will a voltameter present minimum load on a circuit?
- 1 V
- 50 V
- 500 V
- 1,000 V
A Voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is ___.
- 12 V
- 24 V
- 0 V
- 6 V
A galvanometer is a meter that measures small amounts of voltage.
- True
- False
Three 20 ohm resistance connected in series with two 20 ohm resistance,find equivalent resistance ?
- 6.67 ohm
- 46.67 ohm
- 26.67 ohm
- 10.67 ohm
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is ___.
- 20,000 Ω
- 100,000 Ω
- 200,000 Ω
- 1,000,000 Ω
A smaller-value load resistor will cause the output voltage to change more than a larger-value one.
- True
- False
In series, if one bulb goes out, others will :
- stay
- on also turn off
- blow up
- heat up
follow us at YouTube Raul’s tutorial electronics