Magnetism and Electromagnetism Which of the following materials are diamagnetic? Iron Silver Silver and copper Copper Iron Silver Silver and copper Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is decreasing current current an increasing current voltage decreasing current current an increasing current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by 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 Increasing current supply Increasing the number of turns ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Copper Iron Moving Charges Aluminium Copper Iron Moving Charges Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials. circular triangular rectangular None of the listed here circular triangular rectangular None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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