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BINA LIBRARY-ELECTROMAGNETISM-EXERCISE
- 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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- Why an ammeter has low resistance while a voltmeter has high resistanc...
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- Why is a voltmeter connected in parallel with a circuit?
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- Can a magnetic field increase the K.E. of a charged particle moving th...
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- By mistake, a voltmeter is connected in series and an ammeter In paral...
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- Under what condition does an electron moving through a magnetic field ...
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- A magnetic needle is placed on a cork floating on a lake in the northe...
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- A diamagnetic substance is placed in the middle between two magnetic p...
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- A small magnet is pivoted to move freely in the magnetic meridian. At ...
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- If a bar magnet is cut into two equal parts along the magnetic axis, t...
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- Explain why an unmagnetised piece of iron is attracted by a bar magnet...
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