Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Hardened steel Stainless steel None of the listed here Soft iron Hardened steel Stainless steel None of the listed here Soft iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Iron Copper Moving Charges Aluminium Iron Copper Moving Charges Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Polarity of a magnetic pole Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 300 At 18.75 At 30 At 187 At 300 At 18.75 At 30 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Aluminium Copper Tungsten Nickel Aluminium Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
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 Increase Be excessive Decrease Remain Constant Increase Be excessive Decrease Remain Constant ANSWER DOWNLOAD EXAMIANS APP
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