Electronics series parallel circuits interview question

21.

Which circuit fault do the meter readings in the given figure indicate?

A.     The 1 komega.gif resistor is open.
B.     The 4.7 komega.gif resistor is open.
C.     The 2.2 komega.gif resistor is open.
D.     The 3.3 komega.gif resistor is open.
Answer & Explanation

Answer: Option B

Explanation:

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22.

How much current is flowing through R1 in the given circuit?

A.     0.3 A
B.     0.15 A
C.     0.5 A
D.     0.68 A
Answer & Explanation

Answer: Option C

Explanation:

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23.

If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?
A.     increases
B.     decreases
C.     remains the same
D.     cannot tell
Answer & Explanation

Answer: Option B

Explanation:

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24.

The first goal(s) to accomplish in analyzing a complex series–parallel circuit is to:
A.     equate all parallel components
B.     equate all series components
C.     solve for all the voltage drops
D.     solve for the total current and resistance
Answer & Explanation

Answer: Option D

Explanation:

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25.

If a series–parallel circuit has all 30-ohm resistors, what is the total resistance when R1 is in series with a parallel circuit consisting of R2 and R3?
A.     10 ohms
B.     20 ohms
C.     45 ohms
D.     90 ohms
Answer & Explanation

Answer: Option C

Explanation:

No answer description available for this question.