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.