Bitter powder patterns prove the existence of domains.

More Questions from Materials and Components

• Assertion (A): If an electron having charge e is revolving in an orbit of radius R and with angular velocity ω, the magnetic dipole moment of orbit is 0.5 eωR2. Reason (R): Orbital angular momentum and magnetic dipole moment are always equal.
• For making a capacitor it is better to have a dielectric having
• Assertion (A): The angular momentum of an atom is due to three contributions viz. orbital, electron spin and nuclear spin. Reason (R): The nuclear spin magnetic moment is much more than electron spin magnetic moment.
• In solid insulator materials having only one kind of atom, the types of polarization which exist are
• Schrodinger wave equation is a
• Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called
• For magnetic shielding, we need a ferromagnetic material.
• At room temperature the number of conducting electrons in an intrinsic semiconductor
• As the viscosity of a liquid increases, the relaxation time
• If Bmax is the maximum flux density, eddy current loss is proportional to

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