Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Low frequency Microwave frequency Medium frequency High frequency Low frequency Microwave frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 2.28 A. 4.56 A. 18.08 A. 9.04 A. 2.28 A. 4.56 A. 18.08 A. 9.04 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of emf. direction of electric field. direction of magnetic field. direction of current. direction of emf. direction of electric field. direction of magnetic field. direction of current. ANSWER DOWNLOAD EXAMIANS APP
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 0.015 J. 0.5 J. 0.15 J. 1.15 J. 0.015 J. 0.5 J. 0.15 J. 1.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is zero. decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. ANSWER DOWNLOAD EXAMIANS APP
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