Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

Two capacitors of 16 μF each are connected in series. Another capacitor of 16 μF is connected in parallel with this combination. The total capacitance will be
A:
48 μF
B:
32 μF
C:
24 μF
D:
Answer: C

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In the circuit of figure, the current through battery E3 is
A:
4 A charging
B:
4 A discharging
C:
4 A charging or discharging depending on value of E3
D:
4 A charging or discharging depending on values of E1, E2, E3
Answer: A

4 A current is flowing into the battery. Therefore, it is charging current.

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The internal impedance of a source is 3 + j 7 Ω. For maximum power transfer, load impedance should be
A:
3 + j 7 Ω
B:
3 - j 7 Ω
C:
7 + j 3 Ω
D:
7 - j 3 Ω
Answer: B

Load impedance should be conjugate of source impedance.

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In figure readings of the two voltmeters should be
A:
100 V on each meter
B:
200 V on each meter
C:
150 V on V1 and 50 V on V2
D:
50 V on V1 and 150 V on V2
Answer: B

Both voltmeter connected in parallel, hence read same voltage as applied.

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The internal impedance of a source is 3 + j 4 Ω. It is desired to supply maximum power to a resistive load. The load resistance should be
A:
3 Ω
B:
4 Ω
C:
7 Ω
D:
5 Ω
Answer: D

RL = 32 + 42.

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