# gce 2021 intermediate level electrical and electronic circuits 2

### gce 2021 intermediate level electrical and electronic circuits 2

gce 2021 intermediate level electrical and electronic circuits 2

Consider the circuit diagram in the Figure 1 below;

Calculate the equivalent circuit capacitance CT (5marks)
Deduce the total charge in the circuit (5marks)
Calculate the charge through each capacitor (5marks)
What should be the new value of C4 if now the equivalent capacitance is 5μF (5marks)
If CT=5F, what is the total charge in the circuit (5marks)
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A resistance of 50Ω, inductance of 300mH and a capacitance of 50µF are connected in series across an ac source of value v(t)=220√2 Sin(314t)volts.
Draw the diagram of the circuit described. (2marks)
Determine;
Frequency (1mark)
Pulsation (1mark)
RMS value of the supply voltage (1mark
The maximum value of the supply voltage (1mark)
Total reactance of the circuit (2marks)
Total impedance of the circuit (2marks)
The power factor of the circuit (2marks)
Current flowing in the circuit (2marks)
The current flowing in the circuit (2marks)
Active, reactive and apparent power of the circuit (4marks)
Draw the phasor diagram of the circuit (3marks)
At which frequency will resonance occurs (2marks)