Physics
Which of the following properties is found only in ferromagnetic materials ?

Susceptibility independent of temperature
Hysteresis
Attracting a magnetic substance
Point in a particular direction

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Physics
Indicate the false statement about the resistance of a wire

It depends on material of wire
It is directly proportional to the area of cross-section of wire
Resistance of metallic wire increases with increase in temperature
It is directly proportional to the length of wire

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