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 12 joules. 30 joules. 15 joules. 24 joules. 12 joules. 30 joules. 15 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 10 mH. 15 mH. 5 mH. 20 mH. 10 mH. 15 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 100 V. 50 V. 25 V. 75 V. 100 V. 50 V. 25 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only displacement current. Only conduction current. Both conduction and displacement current. None of these Only displacement current. Only conduction current. Both conduction and displacement current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field it is conservative. it is solenoidal. magnetic flux lines are always closed. it has no sink or sources. it is conservative. it is solenoidal. magnetic flux lines are always closed. it has no sink or sources. ANSWER DOWNLOAD EXAMIANS APP
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