Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.15 J. 0.5 J. 1.15 J. 0.015 J. 0.15 J. 0.5 J. 1.15 J. 0.015 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field magnetic flux lines are always closed. it has no sink or sources. it is conservative. it is solenoidal. magnetic flux lines are always closed. it has no sink or sources. it is conservative. it is solenoidal. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is infinite. finite. zero. none of tha above. infinite. finite. zero. none of tha above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other None of these 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. at angle of 45° with the axis. parallel to axis. zero. perpendicular to the axis. at angle of 45° with the axis. parallel to axis. 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 Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP