Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

In figure, the current iL at t = ∞ is
A:
I
B:
0
C:
D:
Answer: A

At t = ∞, inductance behaves as short-circuit.

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A resistance coil has self inductance L, resistance R and capacitance C. The impedance across the coil is
A:
B:
C:
D:
Answer: B

The coil has R and L in series and C in parallel.

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Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is
A:
0.25 mH
B:
0.5 mH
C:
0.707 mH
D:
1 mH
Answer: B

M = kL1L2

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The zinc can of a dry cell serves as positive terminal.
A:
True
B:
False
C:
D:
Answer: B

Zinc can serves as negative terminal.

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In a series R, L, C circuit the impedance triangle is the same when XL < XC and XL > XC .
A:
True
B:
False
C:
D:
Answer: B

The quadrants are different.

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