The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A. 2.5 10 1 - 1.25 TRUE ANSWER : ? YOUR ANSWER : ?
The value of E within the field due to a point charge can be found with help of Kirchhoffs law. Coulombs law. Faradays law. Lenzs law. TRUE ANSWER : ? YOUR ANSWER : ?
Electric field intensity ( E ) at any point in an electric field is equal to potential gradient. ( potential gradient )1/2. ( potential gradient )2. ( potential gradient )1/3. TRUE ANSWER : ? YOUR ANSWER : ?
For steady state current inductor acts as Voltage source Short circuit Open circuit Current source TRUE ANSWER : ? YOUR ANSWER : ?
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 6. 5.2. 0.6. 3.4. TRUE ANSWER : ? YOUR ANSWER : ?
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? 0.058 H. 0.049 H. None of these. 0.029. TRUE ANSWER : ? YOUR ANSWER : ?
What will be the rms value of rectangular wave with amplitude 10 V? 7.7 V. 5√2 V. 11.2 V. 10 V. 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? 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. TRUE ANSWER : ? YOUR ANSWER : ?
Advantage of active filter is derive high impedance load. do not offer gain. both of above. easy to tune. TRUE ANSWER : ? YOUR ANSWER : ?