Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. remain the same. increase. initially increase and then decrease. decrease. remain the same. increase. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as self inductance. series aiding inductance. capacitance. mutual inductance. self inductance. series aiding inductance. capacitance. mutual inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is not a unit of flux? Telsa. Weber. All of above. Maxwell. Telsa. Weber. All of above. Maxwell. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. zero. Bil cosθ. BIL. Bil sinθ. zero. Bil cosθ. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS