the magnitude of inclued E.M.F produce depends to the rate of change of magnatice fluse through the coil true or false
Answers
Answer:
Hey there the answer is TRUE
Explanation: Yes, the magnitude of induced E.M.F produce depends to the rate of change of magnetic flux through the coil .
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Answer:
Explanation:
The Faraday's laws of electromagnetic induction says that the E.M.F. induced in a coil 'e' = -(rate of change of magnetic flux linkage)
where,
the Flux linkage =number of turns
′
N
′
×magnetic field
′
B
′
×area
′
A
′
×cosθ
where,
theta is angle between magnetic field B and area A.
Theta at any instant 't'=(angular velocity w)×(time instant
′
t
′
). That is, Theta = w×t.
E.M.F. induced in a coil 'e'=N×B×A×w×sinw×t.
The factors involved in the induced emf of a coil are:
The induced e.m.f. is directly proportional to N, the total number of turns in the coil.
The induced e.m.f. is directly proportional to A, the area of cross-section of the coil.
The induced e.m.f. is directly proportional to B, the strength of the magnetic field in which the coil is rotating.
The induced e.m.f. is directly proportional to 'w', the angular velocity of coil.
The induced e.m.f. also varies with time and depends on instant 't'.
The induced e.m.f. is maximum when plane of coil is parallel to magnetic field B and e.m.f. is zero when plane of coil is perpendicular to magnetic field B.