# Question- Task 4.2 = (a) Refer to the circuits below= A circuit having a resistance of 12 Ω, an inductance of 0.15 H and a capacitance of 100 μF in series, is connected across a 100 V, 50 Hz supply. Calculate: (i) the impedance; (ii) the current; and (ii…

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*A circuit having a resistance of 12 Ω, an inductance of 0.15 H and a capacitance of 100 μF in series, is connected across a 100 V, 50 Hz supply. Calculate:*

*(i) the impedance;*

*(ii) the current; and*

*(iii) the voltages across R, L and C.*

*(iv) the resonance frequency and Q factor.*

(b) Three branches, possessing a resistance of 50 Ω, an inductance of 0.15 H and a capacitance of 100 μF respectively, are connected in parallel across a 100 V, 50 Hz supply. Calculate:

*(i) the current in each branch; and*

*(ii) the supply current.*

*(iii) the resonance frequency and Q factor.*

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(@) Refer tothe circuits below: Ra ~ 100 V L 50 Hz O1sH L__"T 100 ur A cireuit having arecztance of 12 Q, an inductance of 0.15 H and a capacitance of 100 uE.in sri connected across a 100 1 50 Hz cupply: Caleulae: (0 the impedance: (i he current: and (i) the voleages across R, Land C. (i) the resonance frequency and Q factor. (@) Three branches, possessing 2 resistance of 50 0, an inductance of 0.15 H and a capacitance of 100 uE, respectively, are connected in parallel across 2100 V, 50 Hz supply. Calculate (the current in each branch: and (i the supply current (ithe resonance frequency and Q factor. Yu Yu sole 100 soa 01st

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