Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 250 V. 200 V. 250 / √3 V. 250 √3 V. 250 V. 200 V. 250 / √3 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect two in parallel. two in parallel and one in series. three in series. three in parallel. two in parallel. two in parallel and one in series. three in series. three in parallel. 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 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be passive when it contains current source. voltmeter. battery. voltage source. current source. voltmeter. battery. voltage source. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Air gap. Core. Coil. Inductance. Air gap. Core. Coil. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain wide bandwidth, network is designed with which of the following? Low Q factor Zero Q factor High Q factor Unity Q factor Low Q factor Zero Q factor High Q factor Unity Q factor ANSWER DOWNLOAD EXAMIANS APP