Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 113.04 μH. 3.768 μH. 37.68 μH. 1.1304 μH. 113.04 μH. 3.768 μH. 37.68 μH. 1.1304 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Inductor. Condenser. Capacitor. Variable Resistor. Inductor. Condenser. Capacitor. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. open circuit. depends on polarity. short circuit. depends on magnitude of voltage. open circuit. depends on polarity. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is None of above. 10 C. 5 C. 40π C. None of above. 10 C. 5 C. 40π C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Null vector. | E |. E. Zero. Null vector. | E |. E. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. small B-H loop area. high hysteresis coefficient. high resistivity. large coercivity. small B-H loop area. high hysteresis coefficient. high resistivity. ANSWER DOWNLOAD EXAMIANS APP