Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 4 A. 10 A. 6 A. 5 A. 4 A. 10 A. 6 A. 5 A. 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 144 AT / m. 222 AT / m. 196 AT / m. 72 AT / m. 144 AT / m. 222 AT / m. 196 AT / m. 72 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A pole of driving point impedance is zero voltage for a finite value of driving voltage. zero current for a finite value of driving voltage. zero current for a finite value of driving current. zero voltage for a finite value of driving current. zero voltage for a finite value of driving voltage. zero current for a finite value of driving voltage. zero current for a finite value of driving current. zero voltage for a finite value of driving current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is almost 25% charged. initially. when capacitor is fully charged. when capacitor is half charged. when capacitor is almost 25% charged. initially. when capacitor is fully charged. when capacitor is half charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? All of these VR/V XC/R XL/R All of these VR/V XC/R XL/R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
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