For symmetrical wave form average value of one full cycle is 1.11 1 2.22 0 TRUE ANSWER : ? YOUR ANSWER : ?
The value of E within the field due to a point charge can be found with help of Lenzs law. Kirchhoffs law. Faradays law. Coulombs law. TRUE ANSWER : ? YOUR ANSWER : ?
If a function is shifted by 'T', then it is correctly represented as f (t-T) u (t-T). f (t-T) u (t). f (t) u (t). f (t) u (t-T). TRUE ANSWER : ? YOUR ANSWER : ?
A 3Ω resistor having 2A current will dissipate the power of 8 W. 4 W. 2 W. 12 W. TRUE ANSWER : ? YOUR ANSWER : ?
For occurrence of resonance which of the following elements are required? Both 2 and 3 L R C TRUE ANSWER : ? YOUR ANSWER : ?
The terminals across the source are ___________ if a voltage source is to be neglected. short circuited. open circuited. replaced by a series resistance. replaced by a shunt resistance. TRUE ANSWER : ? YOUR ANSWER : ?
The capacity of a lead acid cell does not depends on its rate of charge. quantity of active material. rate of discharge. temperature. TRUE ANSWER : ? YOUR ANSWER : ?
A 60 Hz frequency voltage would cause a bulb to turn on and off 80 times per second. 60 times per second. 70 times per second. 120 times per second. TRUE ANSWER : ? YOUR ANSWER : ?
By which of the following elements transients will not occur? C R All of these L TRUE ANSWER : ? YOUR ANSWER : ?
What is called a cycle in case of AC operation ? When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. TRUE ANSWER : ? YOUR ANSWER : ?