Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Copper Tungsten Nickel Aluminium Copper Tungsten Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferromagnetic material Diamagnetic material Ferrits Paramagnetic material Ferromagnetic material Diamagnetic material Ferrits ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Distance between the conductors Radius of conductor Current in one conductor Product of current in two conductors Distance between the conductors Radius of conductor Current in one conductor Product of current in two conductors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Susceptibility Reluctivity conductance Permeability Susceptibility Reluctivity conductance Permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? First increases and then decreases depending on the depth of iron in¬sertion Decreases Remains same Increases First increases and then decreases depending on the depth of iron in¬sertion Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor magnetic field Voltage current direction of force on the conductor magnetic field Voltage current ANSWER DOWNLOAD EXAMIANS APP
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