Magnetism and Electromagnetism When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon Resistance of the coil Pole strength of the magnet Motion of the magnet Number of turns of the coil Resistance of the coil Pole strength of the magnet Motion of the magnet Number of turns of the coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will be zero will depend on the radius of the circle will be infinite will depend on the amount of e.m.f. applied will be zero will depend on the radius of the circle will be infinite will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 mWb/m² 1 Wb/m 1 Wb/m² 1 Wb/mm² 1 mWb/m² 1 Wb/m 1 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Non-magnetic substances Transformers Electromagnets Permanent magnets Non-magnetic substances Transformers Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP