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MBD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
- State whether the following statements are true or false. A wire with ...
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- List three sources of magnetic field.
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- How does a solenoid behaver like a magnet? Can you determine north and...
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- When is the force experienced by a current carrying conductor placed i...
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- Imagine that you are sitting in a chamber with your back to one wall a...
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- What is the role of the split ring in an electric motor?
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- Name some devices in which electric motors are used.
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- A coil of insulated copper wire is connected to a galvanometer, what w...
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- A coil of insulated copper wire is connected to a galvanometer, what w...
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- A coil of insulated copper wire is connected to a galvanometer what wi...
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- Two circular coils A and B placed closed to each other.If the current ...
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- When does an electric short circuit occur?
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- What is the function of earth wire? Why is it necessary to earth metal...
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- State two properties of magnetic field lines.
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- Given magnetic field due to solenoid on what factors the strength of t...
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- What is solenoid? How does a solenoid behave like a bar magnet?
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- What is an electromagnet? Upon what factors its strength depends?
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- Explain principal,construction and working of D.C.generator.
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- Arrange an activity to show that current is produced due to change in ...
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- What are essential precautions to be used while using electricity?
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