4. Analyse the operation and behaviour of the following circuit in case of resonance when a coil of 10kn resistance and 0.3H inductance is connected in parallel with a variable capacitor across a 2.0 V, 10 kHz a.c. supply. Calculate: a) the capacitance of the capacitor when the supply current is a minimum; b) the effective impedance Z of the network at resonance; c) the supply current.

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4. Analyse the operation and behaviour of the following circuit in case of
resonance when a coil of 10kn resistance and 0.3H inductance is
connected in parallel with a variable capacitor across a 2.0 V, 10 kHz a.c.
supply. Calculate:
a) the capacitance of the capacitor when the supply current is a minimum;
b) the effective impedance Z of the network at resonance;
c) the supply current.
d) The Q-factor of the circuit.
e) Actual half-power frequencies, w1 and w2, from the given component
values. Show two decimal places of precision. And sketch the selectivity
curve of the circuit showing P (watts) versus w (rad/s).
(F) Analyse series and parallel RLC circuits, using the principles of circuit theory
with sinusoidal sources
(D) Analyse the operation and behaviour of series and parallel RLC circuits,
including resonance and using the principles of circuit theory with sinusoidal
sources
R1
10K
L1
2V
C1
0.3H
10ΚHZ
Transcribed Image Text:4. Analyse the operation and behaviour of the following circuit in case of resonance when a coil of 10kn resistance and 0.3H inductance is connected in parallel with a variable capacitor across a 2.0 V, 10 kHz a.c. supply. Calculate: a) the capacitance of the capacitor when the supply current is a minimum; b) the effective impedance Z of the network at resonance; c) the supply current. d) The Q-factor of the circuit. e) Actual half-power frequencies, w1 and w2, from the given component values. Show two decimal places of precision. And sketch the selectivity curve of the circuit showing P (watts) versus w (rad/s). (F) Analyse series and parallel RLC circuits, using the principles of circuit theory with sinusoidal sources (D) Analyse the operation and behaviour of series and parallel RLC circuits, including resonance and using the principles of circuit theory with sinusoidal sources R1 10K L1 2V C1 0.3H 10ΚHZ
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