Exercise: Branch Loop And Node Analyses

Questions for: Branch Loop And Node Analyses

The expansion method for evaluating determinants is
A:
better than any other method
B:
good for only one determinant
C:
more flexible than the cofactor method
D:
good for second- and third-order determinants
Answer: D
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What is the voltage drop across R3?

A:
112 mV
B:
11.25 V
C:
180 mV
D:
1.80 V
Answer: C
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The first row of a certain determinant has the numbers 10 and 6. The second row has the numbers 3 and 5. The value of this determinant is
A:
18
B:
50
C:
32
D:
–32
Answer: C
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The first row of a certain determinant has the numbers 3 and 5. The second row has the numbers 7 and 2. The value of this determinant is
A:
31
B:
–31
C:
39
D:
–29
Answer: D
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What is the current through R2?

A:
177 mA
B:
250 mA
C:
500 mA
D:
125 mA
Answer: A
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