Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have small B-H loop area. high hysteresis coefficient. large coercivity. high resistivity. small B-H loop area. high hysteresis coefficient. large coercivity. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2 N. 5 N. 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 28.8 V. 14.40 V. 2.88 V. 1.4 V. 28.8 V. 14.40 V. 2.88 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0. 1.32 mm. 1.77 mm. 0.88 mm. 0. 1.32 mm. 1.77 mm. 0.88 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2B / T. R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. RBT. ANSWER DOWNLOAD EXAMIANS APP
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