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प्रश्न
State two factors on which the strength of induced e. m.f. depends.
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उत्तर
(i) The time of change of magnetic flux, (ii) The strength of magnetic field.
संबंधित प्रश्न
Tick the most appropriate answer.
Which of the following methods is used to magnetize a magnetic without touching it by a magnet?
Name the type of transformer shown in fig . What changes will you observe regarding the brightness of the lamp, if
(a) The no. of turns in the secondary is doubled?
(b) The part X of the transformer is removed?
( c) The core of the transformer is made out of copper?
(d ) The A.C. supply is replaced by D.C.?
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Write the answer in your words.
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