Electromagnetic Field Theory The Biot-savarts law is a general modification of Faradays law. Kirchhoffs law. Lenzs law. Amperes law. Faradays law. Kirchhoffs law. Lenzs law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is – 1/3. 2/3. – ½. 1/3. – 1/3. 2/3. – ½. 1/3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have greater potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have smalled potential. larger sphere will have greater potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have smalled potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP