# 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

Explanation:

V = IR

V = I(R1 + R2 + R3)

I = V/(R1 + R2 + R3)

= 9/(3 + 3 + 3)

= 9/9

= 1 Amp.

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

Explanation:

No answer description available for this question. Let us discuss.
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

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

Explanation:

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5.

What is the dc source voltage?

A.     78 V
B.     39 V
C.     13 V
D.     0 V