During the two wattmeter method of power measurement W1 = 2 KW and W2 =1.3 KW Determine the Apparent Power. О а. 3.51KVА O b.4.2KVA O c. 1.54 KW O d.3.3 КW

For 125 c awlgjent Ojc 1 Ocs to sinc = 0.16 €/watt 0.08 °C/watt heat sinc temp y avy fromer loss will be thyrist maximum шахішки дии Oturmal дейлен junition Cups in resistance for as 70°c the loteth

1. Find the overall power factor and source current I, in the following circuit. 1.2 kW 0.8 KVAR (cap) 2 kVA 4 kW 100290°v 0.707 leading 0.9 lagging

Problem 4 Determine the total average power supplied to the network and the amount of average power absorbed by each of the resistors 6/0° A HE -j2 Q ell j1 www 1Ω

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What is the unit for Apparent power. О а. MVA O b. KVAR О с. MW O d. MVAR

A 1000-VA, 230/115-V transformer has been tested to determine its equivalent cir- cuit. The results of the tests are shown below. Open-circuit test (on secondary side) Short-circuit test (on primary side) Voc = 115 V Vsc = 17.1 V %3D %3D Isc 8.7 A Psc loc =0.11 A Poc = 3.9 W = 38.1 W (a) Find the equivalent circuit of this transformer referred to the low-voltage side of the transformer. (b) Find the transformer's voltage regulation at rated conditions and (1) 0.8 PF lag- ging, (2) 1.0 PF, (3) 0.8 PF leading. (c) Determine the transformer's efficiency at rated conditions and 0.8 PF lagging.

What is the standard frequency of electricity in sultanate of oman? O a. 120 Hz O b. 60 Hz O c. 100 Hz O d. 50 Hz

21. answer asap express answer in watts

2) the average Power a bsorbed Calculate by each of the el ements in the eircuit Shown in figure below. 0.01F 52 0.4H 0.02F 25 cos Z0ŁV 3552