To protect a material from the influnce of an external ma...
To protect a material from the influnce of an external magnetic field, the materials should be kept
square steel ring
triangular zinc ring
soft iron ring
loop of copper wire
Correct answer is C
In order to protect a material from the influence of an external magnetic field, the material is placed in a soft iron ring, usually referred to as magnetic screening.
Which of the following are True for \(\alpha\)-decay. i. mass number, decrease by four. ii. Atom...
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Which is a stringed Instrument? ...