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.