Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

A network has two branches in parallel. One branch contains impedance Z1 and the other branch has impedance Z2. If it is fed from an ac voltage V of frequency f, the current through Z1 depends, on
A:
V, Z1, Z2
B:
V, Z1
C:
Z1, Z2
D:
V, Z1, f
Answer: D

In parallel branches, the current through any branch depends only on voltage, impedance and frequency only.

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System function , For a signal sin 2t, the steady state response is
A:
1/8
B:
∞
C:
0
D:
8
Answer: C

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The resistance of a 230 V, 100 W lamp is
A:
529 Ω
B:
2300 Ω
C:
5290 Ω
D:
23 Ω
Answer: A

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A series RLC circuit has a resonant frequency of 1000 Hz. The maximum voltage across C is likely to occur at a frequency of about
A:
1000 Hz
B:
2000 Hz
C:
1025 Hz
D:
975 Hz
Answer: D

Maximum voltage across capacitance occurs at a frequency slightly less than resonant frequency.

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A dielectric does not have leakage current.
A:
True
B:
False
C:
D:
Answer: B

All dielectrics have some leakage current.

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