Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 20 A. 10 A. 7 A. 15 A. 20 A. 10 A. 7 A. 15 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Super mesh analysis is used in case of ideal voltage source is connected between two non reference nodes. either 1 or 2. both. current source branch is common for two meshes. ideal voltage source is connected between two non reference nodes. either 1 or 2. both. current source branch is common for two meshes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – 0. εr/F. F εr. F. 0. εr/F. F εr. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is pulsating with zero average. constant. zero. pulsating with non zero average. pulsating with zero average. constant. zero. pulsating with non zero average. 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 half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS