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 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 0.447. 0.577. 0.01. 0.477. 0.447. 0.577. 0.01. 0.477. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Microwave frequency Low frequency Medium frequency High frequency Microwave frequency Low frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as self inductance. series aiding inductance. mutual inductance. capacitance. self inductance. series aiding inductance. mutual inductance. capacitance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 60 V. 80 V. 40 V. 8 V. 60 V. 80 V. 40 V. 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)? | E |. Zero. Null vector. E. | E |. Zero. Null vector. E. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS