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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- True or false A constant magnetic flux in a coil can induce current in...
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- True or false AC is more dangerous as compared to DC.
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- True or false AC is the best suitable for electroplating.
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- True or false The function of a fuse wire depends on its length.
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- Fill ups Electromagnetic induction is the phenomenon of converting…………...
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- Fill ups Fleming's left hand rule enables us to find the direction of ...
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- Fill ups ……………..cannot be used for electroplating.
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- Fill ups Live wire has …………….coloured insulation.
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- Fill ups Short circuiting occurs when live and………………wires come in cont...
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- When does an electric short circuit occur?
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- Which sources produce alternating current?
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- What is the principle of working of an A.c generator?
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- What is the function of earth wire? Why is it necessary to earth metal...
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- With the help of magnetic field lines how can you find the direction a...
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- On what factors does the force acting on a ccharged particle movin in ...
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- Draw magnetic field lines for a straight current carrying conductor. O...
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- How can you produce a magnetic field without a magnet? How can you cha...
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- You are given the following materials two coils on a non conducting cy...
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- Arrange an activity to show that current is produced due to change in ...
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- What is an electromagnet? What does it consist of?
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