Parallel Circuits MCQ Questions & Answers

1.
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is

A. 12.5 Ω

B. 200 Ω

C. 20 kΩ

D. 50 Ω

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2.
Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is

A. 25 Ω

B. 500 Ω

C. 100 Ω

D. 20 Ω

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3.
When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is

A. Greater than 1.6 kΩ

B. Greater than 120 Ω but less than 1.6 kΩ

C. Less than 120 Ω but greater than 100 Ω

D. Less than 100 Ω

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4.
In a parallel circuit, the branch with the lowest resistance has the most current.

A. True

B. False

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5.
A sudden increase in the total current into a parallel circuit may indicate

A. A drop in source voltage

B. An open resistor

C. An increase in source voltage

D. Either a drop in source voltage or an open resistor

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6.
There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is

A. 490 mA

B. 800 mA

C. 310 mA

D. 0 A

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7.
The total current divides among parallel resistors in a manner directly proportional to the resistance values.

A. True

B. False

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8.
Addition of resistors in parallel increases total resistance and decreases total current.

A. True

B. False

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9.
When an open circuit occurs in a parallel branch, the total resistance decreases.

A. True

B. False

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10.
The total resistance for two resistors in parallel is equal to the sum of the two resistors.

A. True

B. False

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Parallel Circuits MCQ Questions & Answers | Electrical Engineering

1. Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is

Answer & Solution

2. Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is

Answer & Solution

3. When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is

Answer & Solution

4. In a parallel circuit, the branch with the lowest resistance has the most current.

Answer & Solution

5. A sudden increase in the total current into a parallel circuit may indicate

Answer & Solution

6. There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is

Answer & Solution

7. The total current divides among parallel resistors in a manner directly proportional to the resistance values.

Answer & Solution

8. Addition of resistors in parallel increases total resistance and decreases total current.

Answer & Solution

9. When an open circuit occurs in a parallel branch, the total resistance decreases.

Answer & Solution

10. The total resistance for two resistors in parallel is equal to the sum of the two resistors.

Answer & Solution

1.
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is

2.
Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is

3.
When a 1.6 kΩ resistor and a 120 Ω resistor are connected in parallel, the total resistance is

4.
In a parallel circuit, the branch with the lowest resistance has the most current.

5.
A sudden increase in the total current into a parallel circuit may indicate

6.
There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is

7.
The total current divides among parallel resistors in a manner directly proportional to the resistance values.

8.
Addition of resistors in parallel increases total resistance and decreases total current.

9.
When an open circuit occurs in a parallel branch, the total resistance decreases.

10.
The total resistance for two resistors in parallel is equal to the sum of the two resistors.