Answer to Question #262205 in Electrical Engineering for Abubakar Tanveer

Question

1.Write v(t) = 10sin(377t+60) as a phasor .

2.Find the pf if v(t) = cos(100t+30) i(t) = sin(100t).

3.Draw the phasor diagram for v(t) = 10cos(100t) i(t) = cos(100t+30)

4.For a power load of 1KW with pF = 0.707 lagging. Draw power triangle.

5.Three capacitors of 10μFare in series. Find equivalent capacitance.

6.A transformer has 600KVA rating. Calculate power delivered at pF = 0.85.

7.Three impedances 1,j1 and j2 are in series. Calculate equivalent resistance and reactance.

8.A source of 10 Volts has an internal impedance of 10-j10. Find the load for maximum power.

Answer 1

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