A.C Fundamentals, Circuits And Circuit Theory Set 1

A coil with large resistance ✘ A coil with low resistance ✘ A coil with large distributed capacitance ✘ A coil with low distributed capacitance ✔

Triangular wave ✘ Sine wave ✘ Square wave ✘ Half wave rectified sine wave ✔

To reduce line losses ✘ To maximize the utilization of the capacities of generators, lines and transformers ✘ To reduce voltage regulation of the line ✘ Due to all above reasons ✔

0.5 Imax ✘ 0.707 ✘ 0.9 ✘ 1.414 Imax ✔

0.05 s ✘ 0.005 s ✘ 0.0005 s ✘ 0.5 s ✔

Capacitance only ✘ Inductance only ✘ Resistance only ✘ All above ✔

60 sin 25 t ✘ 60 sin 50 t ✘ 84.84 sin 3141 ✘ 42.42 sin 314 t ✔

Be reduced by half ✘ Be doubled ✘ Be four times as high ✘ Be reduced to one fourth ✔

Be reduced by half ✘ Be doubled ✘ Be four times at high ✘ Be reduced to one fourth ✔

100 n ✘ 50 jt ✘ 25 JT ✘ 5 n ✔