Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be 10 µF 25 µF 1 µF 5 µF TRUE ANSWER : ? YOUR ANSWER : ?
Electrolyte for silver plating is double cyanide of silver and potassium solution. any of above. dilute sulphuric acid. potassium nitrate solution. TRUE ANSWER : ? YOUR ANSWER : ?
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? Z and I. VL and Z. VL and VR. VL and I. TRUE ANSWER : ? YOUR ANSWER : ?
In 2 port network Z12 = Z21 indicates which property non linear. unilateral. bilateral. linear. TRUE ANSWER : ? YOUR ANSWER : ?
Resistor stores the energy in the form of None of these both A and B. magnetic field. electrical field. TRUE ANSWER : ? YOUR ANSWER : ?
A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1000 Hz. 100 Hz. 10 Hz. 1 Hz. TRUE ANSWER : ? YOUR ANSWER : ?
The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is 55.1 µ joules. 20 µ joules. 18 µ joules. 10 µ joules. TRUE ANSWER : ? YOUR ANSWER : ?
In the above question find the angle between voltage and current? 90. 30. 60. 54.74. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is applicable for both linear and non-linear circuits? Norton’s theorem. Thevnin’s theorem. None of these . Superposition theorem. TRUE ANSWER : ? YOUR ANSWER : ?