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 rms value in Amperes. 1.57 A. 0.741 A. 0.494 A. 1.414 A. TRUE ANSWER : ? YOUR ANSWER : ?
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage? 7V 5V 4V 3V TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following lamp has least resistance ? 100 W, 220 V. 200 W, 220 V. 25 W, 220 V. 60 W, 220 V. TRUE ANSWER : ? YOUR ANSWER : ?
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor? lagging zero unity leading TRUE ANSWER : ? YOUR ANSWER : ?
Electro-chemical equivalent is usually expressed in mg per volt. mg per kVA. mg per kW. mg per coulomb. TRUE ANSWER : ? YOUR ANSWER : ?
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is R/2. 2R/3. 3R/2. R. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are the passive elements? Bulb Both None of these. Resistor TRUE ANSWER : ? YOUR ANSWER : ?
For the network shown in figure, the value of current through 8Ω resistor is 1.2 A. 2.4 A. 1.5 A. 4.8 A. TRUE ANSWER : ? YOUR ANSWER : ?
In RLC series circuit if the Q factor is 1, then the damping of the system is Critical damping Under damping Over damping Undamping TRUE ANSWER : ? YOUR ANSWER : ?
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as (Zsc . Zoc)½ Zsc-Zoc Zsc/Zoc Zsc+Zoc TRUE ANSWER : ? YOUR ANSWER : ?