# Parallel Circuits

MCQsQuestion.com has 52 Question/Answers about Topic Parallel Circuits

## Circuit analysis should reveal that the largest resistance in a parallel circuit has the ______.

- A. least current
- B. most current
- C. least voltage
- D. most voltage
- Correct Answer: Option A

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

- A. 150
- B. 146.7
- C. 0.006
- D. 6800
- Correct Answer: Option B

## What happens to total resistance in a circuit with parallel resistors if one of them opens?

- A. It increases.
- B. It halves.
- C. It remains the same.
- D. It decreases.
- Correct Answer: Option A

## Which are the better test devices used to isolate a suspected open component within a parallel circuit?

- A. a voltmeter or an ohmmeter
- B. neither an ammeter nor a voltmeter
- C. a wattmeter or a voltmeter
- D. an ammeter or an ohmmeter
- Correct Answer: Option D

## What is the total power loss if 2 k and 1 k parallel-connected resistors have an IT of 3 mA?

- A. 6 W
- B. 36 W
- C. 6 mW
- D. 36 mW
- Correct Answer: Option C

## When a parallel 5 k resistor and a 25 k resistor have a 10 V supply, what is the total power loss?

- A. 2.4 mW
- B. 3.3 mW
- C. 24 mW
- D. 33 mW
- Correct Answer: Option C

## If two parallel-connected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss?

- A. 3.75 watts
- B. 4 watts
- C. 16 watts
- D. 60 watts
- Correct Answer: Option C

## What is RT for fifteen 2 M resistors all connected in parallel?

- A. 133 k
- B. 300 k
- C. 750 k
- D. 30 M
- Correct Answer: Option A

## What is the total resistance of four 1 k parallel-connected resistors?

- A. 200 ohms
- B. 250 ohms
- C. 400 ohms
- D. 4 kilohms
- Correct Answer: Option B

## What are the individual values of two parallel resistors whose RT is 8 ohms, when one has double the resistance of the other?

- A. 2.7 ohms and 5.3 ohms
- B. 8 ohms and 16 ohms
- C. 10 ohms and 20 ohms
- D. 12 ohms and 24 ohms
- Correct Answer: Option D

## What is RT for a 12 k, a 4 k, and a 3 k resistor in parallel?

- A. 1.5 k
- B. 2 k
- C. 6.3 k
- D. 19 k
- Correct Answer: Option A

## If a 1 k and a 2 k resistor are parallel-connected across a 12 V supply, how much current is received by the 2 k resistor?

- A. 4 mA
- B. 6 mA
- C. 8 mA
- D. 12 mA
- Correct Answer: Option B

## A parallel circuit is also used as a divider for:

- A. conductance
- B. voltage
- C. power
- D. current
- Correct Answer: Option D

## If 550 mA of current leaves a node that had 250 mA entering from one branch, how much current would enter from the other?

- A. 250 mA
- B. 300 mA
- C. 550 mA
- D. 800 mA
- Correct Answer: Option B

## Components that connect in parallel form:

- A. branches
- B. open circuits
- C. short circuits
- D. a voltage divider
- Correct Answer: Option A