1. what is nearly the reactance of 2 mH inductor with 2000 Hz ?
2) transformer has 220 primay turns and 660 seconday turns . the AC input voltage is 117 V . what is most nearly te output voltage ?
3 ) A three phase delta system has a 2400 V line-to - line voltage and 15 A current. the load impedance angle is 21 degree . how much power is delievred in each line in kW ?
3 ) an electric motor's unloaded speed is 2400 rpm . the percentage speed regulation is 6 % . what is most nearly the loaded speed ?
4 ) an electric motor has an armture constant of 140, a flux of 25 mwh, an armuture current of 30 A , and a rotatio?nal speed of 1600 rpm. what is most nearly the power output in watt?
5 ) what is most nearly the reactance of 2 uf capacitor at 200 Hz?
6) What is the best defenitation for (AC signal) ?
7 ) a 120 V sinisoidal operates in frequenncy of 90 Hz . what is the phase angle in degree?
8) Given v( t) = ( 222v ) sin 22 t . deriving in 3 mf capacitor . what is most nearly the AC current ?
9 ) a generator has the magnetization curve . and its running at 1200 rpm with a field current of 0.2 A. the load is 80 ohm , and the armture resistance is 8 ohm . what is nearly the load current and voltage ??