Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Decrease Increase Be excessive Remain Constant Decrease Increase Be excessive Remain Constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Aluminium Copper Moving Charges Iron Aluminium Copper Moving Charges Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Brass Ebolite Zinc Copper Brass Ebolite Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents magnetic field direction of force on the conductor Voltage current magnetic field direction of force on the conductor Voltage current 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 remains unchanged reverses polarity decreases increases remains unchanged reverses polarity decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a bad conductor Which is a strong magnet Through which the magnetic lines of force can pass very easily Which is a good conductor Which is a bad conductor Which is a strong magnet ANSWER DOWNLOAD EXAMIANS APP
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