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Important Questions on Electromagnetic Induction
Q1:
Define Electromagnetic Induction. State Faraday's law of induction (2 Marks).
Q2:
State and Explain Lenz's law in the light of principle of conservation of energy. ( For 3 Marks).
Q3:
Derive an expression for Energy stored in a magnetic field. (4 marks).
Q4:
A conducting bar rotating around a pivot at one end in a uniform magnetic field that is perpendicular to the plane of rotation. Show that a rotational emf is induced between the ends of bar is e =\(\frac{1}{2} B\omega l^2\). (3 marks).
Q5:
Draw the Schematic diagram of a Generator. And Explain Back emf. (3 marks)
Q6:
Obtain an Expression for energy density stored at any point inside solenoid with uniform magnetic field B . (4 marks)
Q7:
Write a note on Transformer with two cases. (3 marks)
Q8:
Define the following. (1 marks each)
i. Eddy Current
ii. Self Inductance
iii. Mutual Inductance
iv. Faraday's First Law
v. Faraday's Second Law
