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Learn about inductance, the property of a coil that produces an emf due to change in magnetic flux. Find out the SI unit, self-inductance and mutual inductance formulas, and examples of electromagnetic induction.
A circuit contains two inductors of self-inductance L 1 and L 2 in series (see figure). If M is the mutual inductance, then the effective inductance of the circuit shown will be View Solution
Learn two definitions of mutual inductance and its S.I. unit henry from a verified solution on Toppr.com. See similar questions and answers on related topics such as self-inductance and electric current.
Learn how to obtain an expression for the mutual inductance of two long solenoids using the formula M = μ0N 1N 2A l. See the solution verified by Toppr and other related questions on coupling and self-inductance.
Learn how to find the dimensional formula of inductance using the formula L = V dI dt. The correct answer is [M L2T −2A−2]. See more questions and solutions on dimensional analysis in physics.
Thus the coefficient of mutual inductance is equal to the magnetic flux linked with secondary coil when the current flow in a primary coil is unity, from equation(2), $$ \varepsilon _2= M\dfrac{dI_1}{dt } $$
How is the mutual inductance of a pair of coils affected when A thin iron sheet is placed between the two coils, other factors remaining the same? View Solution
The self inductance of two coils P and S are L 1 and L 2. The coupling between them is ideal. The coupling between them is ideal. Show that the mutual inductance between these coils is M = √ L 1 L 2 .
The mutual inductance between two coupled coils is 25 m H.If the turn in one coil is doubled and that in the other is halved, then the mutual inductance will become
The mutual inductance between two planar concentric rings of radii r 1 and r 2 (with r 1 > > r 2) placed in air is given by. μ 0 π r 2 2 2 r 1; μ 0 π r 2 1 2 r 2; μ 0 π (r 1 + r 2) 2 2 r 1; μ 0 π (r 1 + r 2) 2 2 r 2
