Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called dynamically induced emf. static induced emf. None of these both A and B. dynamically induced emf. static induced emf. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. 0. None of above. - 100 μ v/m. 100 μ v/m. 0. None of above. - 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μσ. ∈ = μ. ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ∈ is zero. ∈ is a scalar constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 100. None of these. 500. 1000. 100. None of these. 500. 1000. ANSWER DOWNLOAD EXAMIANS APP
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. 24 joules. 15 joules. 12 joules. 30 joules. 24 joules. 15 joules. 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 decrease the stored energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
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