Series Parallel Circuits Model Test(1st)

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

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1,000,000 Ω
20,000 Ω
200,000 Ω
100,000 Ω

A resistor ladder network is a special type of series-parallel circuit.

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False
True

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

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500 V
50 V
1 V
1,000 V

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

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False
True

A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?

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18 kΩ
24 kΩ
12 kΩ
1 MΩ

A Wheatstone bridge is often shown in a "diamond" configuration.

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False
True

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

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False
True

Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is

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880 Ω
138 Ω
5,700 Ω
1,389 Ω

Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is

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12 V
6 V
24 V
0 V

The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of

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1.2 kΩ
470 Ω or 1.2 kΩ
3 kΩ
470 Ω

A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are

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2 V, 2 V
4 V, 6 V
2 V, 4 V
2 V, 6 V

The parallel combination of a 470 Ω resistor and a 1.5 kΩ resistor is in series with the parallel combination of five 1 kΩ resistors. The source voltage is 50 V. The percentage of the load current through any single 1 KΩ resistor is

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20 %
100 %
25 %
50 %

To derive 18 V and 12 V from a 24 V supply requires a voltage divider with three taps.

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True
False

In a certain five-step R/2R ladder network, the smallest resistor value is 1 kΩ. The largest value is

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10 kΩ
20 kΩ
2 kΩ
Indeterminable

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

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0 V
6 V
12 V
24 V

A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is

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300 Ω
3,000 Ω
24 Ω
2.4 Ω

A Wheatstone bridge consists of four resistors in parallel.

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False
True

The higher the range setting, the less the internal resistance and the greater the load effect of the voltmeter on a circuit.

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True
False

A voltage divider consists of two 100 kΩ resistors and a 12 V source. What will the output voltage be if a load resistor of 1 MΩ is connected to the output?

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0.57 V
12 V
6 V
5.7 V

Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is

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800 μA
9 mA
900 μA
90 mA

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

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2 kΩ
4.7 kΩ
3,403 Ω
1,403 Ω

The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)

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2.2 kΩ
6.8 kΩ
2.2 kΩ and 1 kΩ
6.8 kΩ and 10 kΩ

A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

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1 MΩ
100 kΩ
330 Ω
1 kΩ

Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.

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True
False

The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is

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77.8 Ω
1,078 Ω
1,650 Ω
778 Ω

A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is

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880 Ω
680 Ω
1,029 Ω
200 Ω

Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.

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False
True

A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately

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1.4 mA
5 mA
50 mA
14 mA

Two equal-value resistors in series will divide the source voltage equally.

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True
False

Series Parallel Circuits Model Test(1st) : Question 1 of 29