The voltage induced in an inductor is represented as, ratio of current through it to its inductance. product of its inductance and current through it. product of its inductance and rate of change of current through it. ratio of its inductance to current through it. TRUE ANSWER : ? YOUR ANSWER : ?
Dependent source of current and voltage are those which have All of these independent of any other network variable. unidirectional characteristic. output dependent on input. TRUE ANSWER : ? YOUR ANSWER : ?
If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of reactive power. time. frequency. power. TRUE ANSWER : ? YOUR ANSWER : ?
The phase angle difference between current and voltage is 90o, the power will be VI. minimum. zero. maximum. TRUE ANSWER : ? YOUR ANSWER : ?
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. 200 Ohms. 50 Ohms. TRUE ANSWER : ? YOUR ANSWER : ?
In the circuit given below the value of resistance Req is 11.18 Ω. 25 Ω. 10 Ω. 11.86 Ω. TRUE ANSWER : ? YOUR ANSWER : ?
The power dissipated in a pure capacitor is proportional to the value of capacitance. both (B) and (C) above. zero. proportional to applied voltage. TRUE ANSWER : ? YOUR ANSWER : ?
The charge of an electron is - 9.109 × 10 - 31 Coulombs. - 1.672 × 10 - 27 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.675 × 10 - 27 Coulombs. TRUE ANSWER : ? YOUR ANSWER : ?
Which law(s) find application in electrolysis? Coulombs law. Ohms law. Faradays law. Gausss law. TRUE ANSWER : ? YOUR ANSWER : ?
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 1 A 5 A 3.33 A 23.33 A TRUE ANSWER : ? YOUR ANSWER : ?