Q 2: A circuit consists of an inductive coil (L = 0.2 H, R= 20 2) in series with a variable resistor (0 - 200 2). Draw to scale the locus of the current vector when the circuit is connected to 230-V,...

Extracted text: Q 2: A circuit consists of an inductive coil (L = 0.2 H, R= 20 2) in series with a variable resistor (0 - 200 2). Draw to scale the locus of the current vector when the circuit is connected to 230-V, 50-Hz supply mains and the resistor is varied between 0 and 200 2 Determine (f) the value of the resistor which will give maximum power in the circuit, (ii) the power when the resistor is 150 n.