Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. increase. remain the same. decrease. 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. Zero. | E |. Null vector. E. Zero. | E |. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Condenser. Variable Resistor. Inductor. Capacitor. Condenser. Variable Resistor. Inductor. Capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2.5 mA. 1mA. 2 mA. 1.5 mA. 2.5 mA. 1mA. 2 mA. 1.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – y direction. – z direction. z direction. y direction. – y direction. – z direction. z direction. y direction. ANSWER DOWNLOAD EXAMIANS APP
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