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 Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 m. 1.19 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent 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. Actual power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of magnetic field. direction of emf. direction of electric field. direction of current. direction of magnetic field. direction of emf. direction of electric field. direction of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force is zero but torque is finite. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. False. True. True partially. Cannot comment. False. True. True partially. Cannot comment. ANSWER DOWNLOAD EXAMIANS APP
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