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6 marksInduced e.m.f.

CSEC Physics · January 2011 · Paper 2 · Question 5(a)

With the aid of at least one diagram, describe how the magnitude of the electromotive force (e.m.f.) induced in a conductor depends on the rate of change of magnetic flux that the conductor experiences.

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  1. 5(b)(i)In the charging lane cars are required to keep moving. Why should this be so?[3 marks]
  2. 5(b)(ii)Assuming the magnetic field is constant, state with reason, how the speed of the car will affect the charging of the batteries.[3 marks]
  3. 5(b)(iii)In a certain section of road, 200 KW of power is expended to charge 100 cars. If each car converts 600 Watts of power to charging the battery, calculate the…[3 marks]

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