A meter is connected to a coil of wire - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Question 2
A meter is connected to a coil of wire.
When the south pole of a magnet moves into the top of the coil, the meter looks like this.
(a) Draw a line from each ‘moveme... show full transcript
Worked Solution & Example Answer:A meter is connected to a coil of wire - Edexcel - GCSE Physics - Question 2 - 2017 - Paper 1
Step 1
The north pole of the magnet goes into the top of the coil faster than before.
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Answer
This movement of the north pole into the coil causes the meter to show the maximum reading in the positive direction, indicating that the current is at its peak.
Step 2
The south pole of the magnet comes out of the top of the coil faster than before.
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Answer
As the south pole exits the coil more rapidly, the meter will show a maximum reading in the negative direction, which indicates a change in the direction of the induced current.
