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Magnetic Circuits on Electrical Engineering related Questions and Answers - Page 6

Question 51 : Magnetic field exists along which of the following?
1. Moving charges
2. Stationary charges
3. Copper
4. Iron
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Question 52 : Materials having good retentivity are?
1. Strong magnets
2. Weak magnets
3. Temporary magnets
4. Permanent magnets
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Question 53 : What is a permeable substance?
1. Any good conductor
2. Any bad conductor
3. Any strong magnet
4. Any substance through which the magnetic lines of force can pass easily
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