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MBD -HARYANA BOARD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
- At the time of short circuit, the current in the circuit :
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- State whether the following statement is true or false : An electric...
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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 ...
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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 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 insulate copper wire is connected to a galvanometer. What wi...
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- Two circular coils A and B are placed close to each other. If the curr...
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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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- In case of a solenoid, the strength of magnetic field depends upon
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- What is an electromagnet?upon what factors its strength depends?
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- The circulating induced current produced in a metal plate due to the c...
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- What do you understand by magnetic effect of current? To understand th...
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- What is magnetic field? Give important properties of magnetic field li...
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- Which rule is shown in the figure?Define the rule in which device this...
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