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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-NCERT EXERCISES
- Which of the following correctly describes the magnetic field near a l...
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- The phenomena of electromagnetic induction is:
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- The device used for producing electric current is called a:
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- The essential difference between an AC generator and a DC generator is...
01:11
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- At the time of short-circuit, the current in the circuit:
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- State whether the following statements are true or false. (a) An ele...
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- List three sources of magnetic fields.
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- How does a solenoid behave like a magnet? Can you determine the north ...
03:58
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- When is the force experienced by a current-carrying conductor placed i...
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- Imagine you are sitting in a chamber with your back to one wall. An el...
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- Draw a labelled diagram of an electric motor. Explain its principle an...
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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 galvanometer. What wou...
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- Two circular coils A and B are placed close to each other. If the curr...
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- State the rule to determine the direction of a (i) magnetic field p...
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- Explain the underlying principle and working of an electric generator ...
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- When does an electric short-circuit occur?
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- What is the function of an earth wire? Why is it necessary to earth me...
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