Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.5. 0.577. 1. 0.866. 0.5. 0.577. 1. 0.866. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 0.5 1 2.56 3.149 0.5 1 2.56 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the phase sequences. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity over a complete cycle. Average of all values of an alternating quantity. Average of all values of the phase sequences. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity over a complete cycle. Average of all values of an alternating quantity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? VL and VR. VL and Z. Z and I. VL and I. VL and VR. VL and Z. Z and I. VL and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electro-chemical equivalent is usually expressed in mg per volt. mg per kW. mg per kVA. mg per coulomb. mg per volt. mg per kW. mg per kVA. mg per coulomb. ANSWER DOWNLOAD EXAMIANS APP