Which of the following statements is the correct reason f...
Which of the following statements is the correct reason for using soft iron in making the armature or an electric bell?
It is a diamagnetic material
It loses its magnetism readily
It is not easily magnetized
It retains its magnetism for a long time
Correct answer is B
No explanation has been provided for this answer.
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the ray which causes gas molecules to glow is known as ...
A wire of cross-sectional area 2π * 10−8 m2 and resistivity 1.1 x 10\(...