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- Q16) The watthourmeter is an example of integrating instrument. The meter is connected with 22.5A, 230V at 0.6 power factor for an hour which rotates 137 revoluation for an one unit of energy. If so, calculate the percentage of error when meter makes 58 revolutions0 a. -66.37% b. -96.8% c. -86.37% d. -76.8%Solve the total power of the entire circuit(in watts)given:r1= 2 ohmsr2= 35 ohmsE= 91 VCalculate Z, if ST = 3373 VA, fp = 0.938 leading and the 3 Ω resistor consumes 666 W.Work it single phase and take the voltage as reference.
- In a parallel circuit how do you calculate for line current if given values are voltage line: 240V/60hz Resistance: 13 ohms Inductive reactance: 22 ohms Capacitive reactance: 37 ohmsA correctly adjusted single phase 240 energy meter has a meter constant of 600rev/kwh. Determine the speed of the disc for a current of 10A at a p.f of 0.8 laggy.Draw the network: 1 .Grounded Delta