Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 64 A / s. 32 A / s. 16 A / s. 4 A / s. 64 A / s. 32 A / s. 16 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 1666.22 N. 6664.8 N. 832.29 N. 3332.47 N. 1666.22 N. 6664.8 N. 832.29 N. 3332.47 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Actual power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Actual power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Apparent power of the circuit is zero. 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. 2.88 V. 14.40 V. 1.4 V. 28.8 V. 2.88 V. 14.40 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction None of these. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 0. 2 ux. – 2 ux. – uy. 0. 2 ux. – 2 ux. – uy. ANSWER DOWNLOAD EXAMIANS APP