Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Aluminium Copper Brass Soft iron Aluminium Copper Brass Soft iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is current decreasing current an increasing current voltage current decreasing current an increasing current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents magnetic field current Voltage direction of force on the conductor magnetic field current Voltage direction of force on the conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The susceptibility of paramagnetic materials generally lies between 1CT3 and 1CT7 KT4 and KT8 10"2 and KT5 KT3 and 1CT6 1CT3 and 1CT7 KT4 and KT8 10"2 and KT5 KT3 and 1CT6 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 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 will be zero will depend on the radius of the circle ANSWER DOWNLOAD EXAMIANS APP