Question

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Answer 1

Answer:

a) field lines are the imaginary lines representing the magnetic field around a magnet.

b) electromagnetic induction is production of current by changing the magnetic field.

c) Flemings left hand rule states that if you stretch your thumb, index finger and middle finger mutually perpendicular to each other the the thumb will show the direction of force, index finger will show direction if field and middle finger will show the direction of current.

d) ohms law states that potential difference across to ends is directly proportional to the current in the circuit.

e) The resistance of a conductor depends on the length, area of cross-section

f) H=I2RT => W = q x V => W = (Ixt)(IR).

Answer 2

Your answer is in the attachments...........

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