Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 24 joules. 12 joules. 30 joules. 15 joules. 24 joules. 12 joules. 30 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 50. 5. 10. 20. 50. 5. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 amp, is 0.15 joule. 1.15 joule. 0.015 joule. 0.015 joule. 0.15 joule. 1.15 joule. 0.015 joule. 0.015 joule. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric field on a plane is decribed by . The field due to a dipole and a monopole. a monopole. a dipole. none of above. a dipole and a monopole. a monopole. a dipole. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 30° to the direction of field. 75° to the direction of field. 45° to the direction of field. 60° to the direction of field. 30° to the direction of field. 75° to the direction of field. 45° to the direction of field. 60° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
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