Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω 30∠30o Ω. None of these 3∠30o Ω. 27∠30o Ω 30∠30o Ω. None of these 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 222 AT / m. 196 AT / m. 144 AT / m. 72 AT / m. 222 AT / m. 196 AT / m. 144 AT / m. 72 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. Red, red, green and silver stripes. Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. Red, red, green and silver stripes. 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 decrease if frequency of voltage source increases? VL and Z. Z and I. VR and I. VL and VR. VL and Z. Z and I. VR and I. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation? 5 W. 1 W. 10 W. 64 W. 5 W. 1 W. 10 W. 64 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 400 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 400 Ohms. 50 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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