Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 4. 8. 1. 2. 4. 8. 1. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. perpendicular to the axis. zero. at angle of 45° with the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.577. 0.477. 0.447. 0.01. 0.577. 0.477. 0.447. 0.01. 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 stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is not a unit of flux? Weber. All of above. Telsa. Maxwell. Weber. All of above. Telsa. Maxwell. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
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