Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Tungsten Copper Aluminium Nickel Tungsten Copper Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here Increasing the cross-sectional area Increasing the number of turns Increasing current supply All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases reverses polarity remains unchanged decreases increases reverses polarity remains unchanged decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by All of the listed here By inductive action of another magnet Hammering Heating All of the listed here By inductive action of another magnet Hammering Heating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a good conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a bad conductor which is a good conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Core of an electromagnet should have High susceptibility Low coercivity Both low coercivity and high susceptibility None of the listed here High susceptibility Low coercivity Both low coercivity and high susceptibility None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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