Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite zero, zero infinite, infinite infinite, zero zero, infinite zero, zero infinite, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in none of above. metal plates. both of (A) and (B). dielectric. none of above. metal plates. both of (A) and (B). dielectric. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be 15 Ω. 30 Ω. 20 Ω. 40 Ω. 15 Ω. 30 Ω. 20 Ω. 40 Ω. 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 power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Straight line Circle Triangle Semicircle Straight line Circle Triangle Semicircle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit? 0.1465 A. 0.2547 A. 0.1578 A. 0.4583 A. 0.1465 A. 0.2547 A. 0.1578 A. 0.4583 A. ANSWER DOWNLOAD EXAMIANS APP