Magnetism Questions: MCQs on Magnetism for JEE Main and NEET, Test Number 02
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1. Question4 points
The magnetic susceptibility of a paramagnetic material at –73 °C is 0.0075 and its value at –173 °C will be [Karnataka CET 2015]Correct
2. Question4 points
The coercivity of a small magnet where the ferromagnet gets demagnetized is 3 × 103 A m–1. The current required to be passed in a solenoid of length 10 cm and number of turns 100, so that the magnet gets demagnetized when inside the solenoid, is : [JEE Main 2014]Correct
3. Question4 points
Electromagnets are made of soft iron because soft iron has [MH CET 2014]Correct
4. Question4 points
A magnetic needle is kept in a non-uniform magnetic field. It experiences [AIEEE 2005]Correct
5. Question4 points
Curie temperature is the temperature above which [AIEEE 2003]Correct