P=i*e+2*R or V*I
Description : if voltage is 230 Volts , frequency is 50 Hz and current is 1 ampere then what will be the resistance?
Answer : As V = 230v and I = 1A Therfore by ohm's law V =IR R = V/I =230/1 =230 ohm
Description : For a balanced three phase star connected load for which line voltage is 230V and per phase resistance and reactance is 6 Ohm and 8 Ohm respectively. Calculate: 1) phase voltage 2) line current 3) power factor 4) total power absorbed
Answer : The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.
Description : A 20 ohm resistor and a 60 ohm resistor are connected in parallel to a voltage source. If the current in the 60 ohm resistor is one ampere, the current in the 20 ohm resistor will be: w) 1/3 ampere x) 2/3 ampere y) 1 ampere z) 3 amperes
Answer : ANSWER: Z -- 3 AMPERES
Description : Sinusoids find amplitude, period, frequency, voltage (Problem 1)
Answer : Sinusoids find amplitude, period, frequency, voltage (Problem 1)