Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be none of these. pulsating. alternating. steady. none of these. pulsating. alternating. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is none of above. decreasing towards centre. zero. increasing towards centre. none of above. decreasing towards centre. zero. increasing towards centre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH. 12 mH. 48 mH. 3 mH. 24 mH. 12 mH. 48 mH. 3 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. less than that of disc but in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
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. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. At right angles to the axis of the magnetic field. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 4t3. 12t. 24t. 12t3. 4t3. 12t. 24t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
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