Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2 mA. 2.5 mA. 1.5 mA. 1mA. 2 mA. 2.5 mA. 1.5 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Horizontal suspended wire type Any of the above Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above Parabolic reflector type Vertical grounded wire type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on the number of their turns. cross sectional area of their common core. permeability of core. all of above. the number of their turns. cross sectional area of their common core. permeability of core. all of above. 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. 80 V. 40 V. 60 V. 8 V. 80 V. 40 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is DC. none of these. DC and AC both. AC. DC. none of these. DC and AC both. AC. 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 capacitance. series aiding inductance. self inductance. mutual inductance. capacitance. series aiding inductance. self inductance. mutual inductance. ANSWER DOWNLOAD EXAMIANS APP