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Question 1 of 4
1. Question
1. Xavier performed a ‘magic trick’ in front of his classmates. By blowing a tune on his flute and moving to the music, he made a ‘cobra’ (actually a piece of rope) rise up from inside a basket.
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How did Xavier make the ‘cobra’ rise from the basket?
There was a in the tip of the flute and a at the head of the ‘cobra’. When the tip of the flute was brought to the head of the cobra, occurred. The flute and ‘cobra’ do not need to touch each other for magnetic attraction to occur. This enabled Xavier to the ‘cobra’ movements.
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Question 2 of 4
2. Question
2. Five magnets are connected as shown in the diagram below. A U-shaped magnet is brought near to the bar magnet AB with its North pole touching A and its South pole touching B.
In the table below, fill in the correct poles of A to G. (Write ‘N’ for ‘North pole’ and ‘S’ for ‘South pole’.)
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A: Pole
B: Pole
C: Pole
D: Pole
E: Pole
F: Pole
G: Pole
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Question 3 of 4
3. Question
3. Study the set-up below.
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(a) What is the purpose of the above set-up?
It is to the iron nail and turn it into a .
(b) What is the resultant polarity of A and B?
A:
B:
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Question 4 of 4
4. Question
4.
Study the diagram above.
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(a) Predict what will happen to the paper clip when the switch is closed.
The nail will
(b) What did the iron nail become?
The nail became an
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