Advertisements
Advertisements
प्रश्न
The relative magnetic permeability of a substance X is slightly less than unity and that of substance Y is slightly more than unity, then ______.
पर्याय
X is paramagnetic and Y is ferromagnetic.
X is diamagnetic and Y is ferromagnetic.
X and Y both are paramagnetic.
X is diamagnetic and Y is paramagnetic.
Advertisements
उत्तर
The relative magnetic permeability of a substance X is slightly less than unity and that of substance Y is slightly more than unity, then X is diamagnetic and Y is paramagnetic.
APPEARS IN
संबंधित प्रश्न
A meter gauge train is heading north with speed 54 km/hr in earth's magnetic field 3 x 10-4T. The e.m.f. induced across the axle joining the wheels is ..........
(a) 0.45 mV
(b) 4.5 mV
(c) 45 mV
(d) 450 m V
A tangent galvanometer shows a deflection of 45° when 10 mA of current is passed through it. If the horizontal component of the earth's magnetic field is `B_H = 3.6 xx 10^-5 "T"` and radius of the coil is 10 cm, find the number of turns in the coil.
The magnetic property of magnetic substance is associated with ____________.
A domain in a ferromagnetic substance is in the form of a cube of side length 1 µm. If it contains 6 x 1010 atoms and each atomic dipole has a dipole moment of 7 x 10-24 Am2, then magnetization of the domain is ____________.
The earth’s field departs from its dipole shape substantially at large distances (greater than about 30,000 km). What agencies may be responsible for this distortion?
Metals getting magnetised by orientation of atomic magnetic moments in external magnetic field are called ______.
The universal property of all substances is ______.
According to the Atomic theory, on heating a magnet, the thermal energy of the elementary magnet ______
Explain quantitatively the order of magnitude difference between the diamagnetic susceptibility of N2 (~5 × 10–9) (at STP) and Cu (~10–5).
