Mica capacitor are characterised by all of following except low leakage reactance. accurate value. low losses. stable operation. TRUE ANSWER : ? YOUR ANSWER : ?
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.5 mA. 0.25 mA. 0.35 mA. 1 mA. TRUE ANSWER : ? YOUR ANSWER : ?
KCL works on the principle of which of the following both. None of these law of conservation of charge. law of conservation of energy. TRUE ANSWER : ? YOUR ANSWER : ?
What is called a cycle in case of AC operation ? When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. TRUE ANSWER : ? YOUR ANSWER : ?
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes. 0.741 A. 1.414 A. 1.57 A. 0.494 A. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not equivalent to watts? Ampere2 – Ohm. Amperes/volt. Ampere-volts. Joules per second. TRUE ANSWER : ? YOUR ANSWER : ?
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 5A 10A 0A 2A TRUE ANSWER : ? YOUR ANSWER : ?
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 value of C? 8.51 µF. 10.54 µF. 4.78 µF. 1.8 µF. TRUE ANSWER : ? YOUR ANSWER : ?
Cascade connection of two port networks is analyzed through ABCD parameters. h parameters. Y parameters. Z parameters. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the correct relation? AD-BC = 1. all of these. AB-CD = 1 . AC-BD = 1. TRUE ANSWER : ? YOUR ANSWER : ?