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State whether the following statements a...

State whether the following statements are true or false. A wire with a green insulations usually the live wire.

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MBD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. State whether the following statements are true or false: An electric ...

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  2. State whether the following statements are true or false: The field at...

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  3. State whether the following statements are true or false. A wire with ...

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  4. List three sources of magnetic field.

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  5. How does a solenoid behaver like a magnet? Can you determine north and...

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  6. When is the force experienced by a current carrying conductor placed i...

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  7. Imagine that you are sitting in a chamber with your back to one wall a...

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  8. What is the role of the split ring in an electric motor?

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  9. Name some devices in which electric motors are used.

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  10. A coil of insulated copper wire is connected to a galvanometer, what w...

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  11. A coil of insulated copper wire is connected to a galvanometer, what w...

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  12. A coil of insulated copper wire is connected to a galvanometer what wi...

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  13. Two circular coils A and B placed closed to each other.If the current ...

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  14. When does an electric short circuit occur?

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  15. What is the function of earth wire? Why is it necessary to earth metal...

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  16. State two properties of magnetic field lines.

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  17. Given magnetic field due to solenoid on what factors the strength of t...

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  18. What is solenoid? How does a solenoid behave like a bar magnet?

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  19. What is an electromagnet? Upon what factors its strength depends?

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  20. Explain principal,construction and working of D.C.generator.

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