Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

In a two terminals network the O.C. voltage measured at the given terminals is 100 V and s.c., currents at the same terminals 5 A. If a load of 80 Ω resistance is connected at the terminals, load current is
A:
1 A
B:
1.25 A
C:
6 A
D:
6.25 A
Answer: A

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If A = 3 + j1, A4 =
A:
3.16 ∠18.4°
B:
100 ∠73.72°
C:
100 ∠18.4°
D:
3.16 ∠73.22°
Answer: B

3 + j1 = 10∠18.43° = (10)4

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In a series RLC circuit the phase angle θ of impedance Z ∠θ is positive. The circuit will behave as
A:
resistive circuit
B:
RC circuit
C:
RL circuit
D:
either RL or RC circuit
Answer: B

In RL circuits phase angle of Z is positive.

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The units for apparent power are watts.
A:
True
B:
False
C:
D:
Answer: B

Apparent power has units of volt-amperes.

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For the network of figure, z11 =
A:
5/3 Ω
B:
3/2 Ω
C:
2 Ω
D:
2/3 Ω
Answer: A

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