Series circuits electronic interview question

1.

What is the current flow through R1, R2, and R3?

A.     1A, 1A, 1A
B.     1A, 2A, 3A
C.     3A, 3A, 3A
D.     3A, 2A, 1A
Answer & Explanation

Answer: Option A

Explanation:

V = IR

V = I(R1 + R2 + R3)

I = V/(R1 + R2 + R3)

= 9/(3 + 3 + 3)

= 9/9

= 1 Amp.

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2.

One of the most common applications of a potentiometer is as an adjustable voltage divider, also known as
A.     voltage control
B.     current control
C.     volume control
D.     divider control
Answer & Explanation

Answer: Option C

Explanation:

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3.

If the resistance total in a series circuit doubles, current will:
A.     be the same
B.     be doubled
C.     reduce source voltage
D.     be halved
Answer & Explanation

Answer: Option D

Explanation:

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4.

Power is defined as:
A.     the rate at which work is done
B.     work
C.     the conversion of energy
D.     joules
Answer & Explanation

Answer: Option A

Explanation:

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5.

What is the dc source voltage?

A.     78 V
B.     39 V
C.     13 V
D.     0 V
Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question.

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