Question
The substances which are attracted towards a magnet are called _______.
✓
Answer
- Ferro-magnetic materials
The substances which are attracted towards a magnet are called ferro-magnetic materials Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic (or ferrimagnetic). These include iron, nickel, cobalt, some alloys of rare-earth metals, and some naturally occurring minerals such as lodestone.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is the atomic mass (u) of chlorine?
The direction of electric field created by a negative charge is ___________?
The capacity of a parallel plate condenser is 10 μF, when the distance between its plates is 8 cm. If the distance between the plates is reduced to 4 cm, then the capacity of this parallel plate condenser will be(a) 5 μF (b) 10 μF(c) 20 μF(d) 40 μF
A heavy stone is thrown from a cliff of height $h$ with a speed $\nu.$ The stone will hit the ground with maximum speed if it is thrown:
→Suppose a tunnel is dug along a diameter of the earth. A particle is dropped from a point, a distance h directly above the tunnel. The motion of the particle as seen from the earth is:
- Simple harmonic.
- Parabolic.
- On a straight line.
- Periodic.
Consider the situation shown in figure. If the switch is closed and after some time it is opened again, the closed loop will show:
The magnitude of the electric field is given by the change in magnitude of potential per unit displacement _____ to the equipotential surface at the point.
Which of the following statement is wrong(a) Voltmeter should have high resistance(b) Ammeter should have low resistance(c) Ammeter is placed in parallel across the conductor in a circuit(d) Voltmeter is placed in parallel across the conductor in a circuit
An electric iron draws 5 amp, a TV set draws 3 amp and refrigerator draws 2 amp from a 220 volt main line. The three appliances are connected in parallel. If all the three are operating at the same time, the fuse used may be of(a) 20 amp (b) 5 amp (c) 15 amp (d) 10 amp
The SI unit of electrical energy is ____________?