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6 (a) Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1
Question 6
6 (a) Complete the sentence by putting a cross (X) in the box next to your answer. Electrical energy can be measured in □ A amps □ B kilowatt-hours □ C volts □ ... show full transcript
Worked Solution & Example Answer:6 (a) Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1
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Scientists are looking for new ways to produce electricity from renewable resources.
Answer
The device shown in the diagram utilizes the motion of the magnet within the coil to generate electricity from wave energy. As the waves move the floating ball, it causes the magnet to move within the coil of wire attached to the concrete block. This motion induces an electric current in the coil according to Faraday's law of electromagnetic induction, which states that a change in magnetic flux through a coil induces an electromotive force (EMF) in the wire.