Physics · Oct / Nov 2016 · Paper 21 · Question 6
5054
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Two flexible iron strips, WX and YZ, are placed close to each other inside a solenoid (long coil). The end W of WX and the end Z of YZ are held firmly in position. Fig. 6.1 shows that the solenoid is connected to a d.c. power supply and a switch. switch W Z X Y solenoid flexible iron strips d.c. power supply Fig. 6.1 The switch is closed and there is an electric current in the solenoid. End W of flexible iron strip WX becomes a magnetic S-pole.
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6(a)(i)[2]
6(a)(ii)[1]
6(b)[2]
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