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BINA LIBRARY-ELECTROMAGNETISM-EXERCISE
- Friction depends on the of surfaces.
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- Find the magnetic field due to a short bar magnet at any point on axia...
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- Friction produces
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- A magnetic dipole is placed in a uniform magnetic fields, B, when the...
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- Name three elements required to specify the earth’s magnetic field at ...
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- The sprinkling of powder on the carrom board friction
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- Sliding friction is than the static friction
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- What is meant by hysteresis loop? What type of magnetic material is us...
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- How can a magnetic field be produced without using a magnet?
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- Is the source of magnetic field analogue to the source of electric fie...
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- How does a current carrying wire differ from a wire without carrying c...
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- Explain why sportsmen use shoes with spikes.
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- Write three disadvantages of friction.
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- How does the magnetic field at the centre of a current carrying circul...
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- What is the magnetic field at the centre C of the circular loop shown ...
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- Does a magnetic field exert a force on a static charge?
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- When a charged particle moves in a magnetci field does the kinetic ene...
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- Explain why earth's magnetic field does not affect the working of a mo...
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- Explain why two parallel wires carrying currents in opposite direction...
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- If two parallel conducting wires carry current in the same direction, ...
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