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Parallel Circuits Online Exam Quiz

Important questions about Parallel Circuits. Parallel Circuits MCQ questions with answers. Parallel Circuits exam questions and answers for students and interviews.

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A : 18 W

B : 1.5 W

C : 48 W

D : 72 W

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A : 25 mA

B : 100 mA

C : 6.25 mA

D : 200 mA

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

Options

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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A : 60 mA

B : 15 mA

C : 135 mA

D : 31.25 mA

Options

A : 490 mA

B : 800 mA

C : 310 mA

D : 0 A

Options

A : 1.2 W

B : 4.8 W

C : 0.3 W

D : 12 W

Options

A : 12.5 ?

B : 200 ?

C : 20 K?

D : 50 ?

8. If one of the resistors in a parallel circuit is removed, the total resistance

Options

A : decreases

B : increases

C : remains the same

D : doubles

9. When a 1.6 k? resistor and a 120 ? resistor are connected in parallel, the total resistance is

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A : greater than 1.6 k?

B : greater than 120 ? but less than 1.6 k?

C : less than 120 ? but greater than 100 ?

D : less than 100 ?

10. The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is

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A : 1 A

B : 7 A

C : unknown

D : the larger of the two

Options

A : 2.2 A

B : 137 mA

C : 1.8 A

D : 9.09 A

2. Six resistors are in parallel. The two lowest-value resistors are both 1.2 k?. The total resistance

Options

A : is less than 6 k?

B : is greater than 1.2 k?

C : is less than 1.2 k?

D : is less than 600 ?

Options

A : 50 mA

B : 70 mA

C : 120 mA

D : 40 mA

4. In a certain three-branch parallel circuit, R 1 has 12 mA through it, R 2 has 15 mA through it, and R 3 has 25 mA through it. After measuring a total of 27 mA, you can say that

Options

A : R 3 is open

B : R 1 is open

C : R 2 is open

D : the circuit is operating properly

Options

A : 200 mA

B : 540 mA

C : 1.24 A

D : 900 mA

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :