Question

3. (a) For an RL series circuit, the current is i=14.14 Sin (157t), R=25 ohms, L=10mH, determine:
(i) Inductive reactance (ii) impedance (iii) total voltage (iv) power factor (V) real and reactive power
(b) A coil having a resistance of 7 ohms and an inductance of 31.8mH is connected to 230V, 50Hz
supply. Calculate (i) the circuit current (ii) phase angle (iii) power factor (iv) power consumed v)
Reactive power vi) Apparent power.

Answer 1

Answer:

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