Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. high resistivity. high hysteresis coefficient. small B-H loop area. large coercivity. high resistivity. high hysteresis coefficient. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Capacitor. Condenser. Inductor. Variable Resistor. Capacitor. Condenser. Inductor. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 76.4 N. 764 N. 76400 N. 7640 N. 76.4 N. 764 N. 76400 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 1. 4. 0.5. 2. 1. 4. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Poor directivity Narrow bandwidth Low directional coupling High standing wave ratio Poor directivity Narrow bandwidth Low directional coupling High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
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