Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Radius of conductor Distance between the conductors Product of current in two conductors Current in one conductor Radius of conductor Distance between the conductors Product of current in two conductors Current in one conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The voltage induced across a certain coil is 200 mV. A 120 resistor is connected to the coil terminals. The induced current is 12 mA 120 mA 16 mA 1.7 mA 12 mA 120 mA 16 mA 1.7 mA ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Electromagnets Non-magnetic substances Transformers Permanent magnets Electromagnets Non-magnetic substances Transformers Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Iron Moving Charges Aluminium Copper Iron Moving Charges Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet Permanent magnet None of the listed here Temporary Magnet Weak magnet Permanent magnet None of the listed here Temporary Magnet ANSWER DOWNLOAD EXAMIANS APP
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