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MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
- Give the order of magnitude of current in the nerves of a human being.
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- What is drift velocity of electrons? How do you explain the flow of cu...
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- Derive an expressions between drift velocity of elctron and electric c...
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- Define drift velocity of electricity and establish its relation with v...
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- Explain the term drift velocity of electrons. Hence obtain the express...
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- Prove that the current density of a metallic conductor is directly pro...
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- Define 'relaxation time' in a conductor. Explain how it varies with in...
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- What is the effect of temperature on relaxation time in a metal?
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- Derive an expression for drift velocity of free electrons in a conduct...
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- Define relaxation time of the electrons drifting in a conductor. How i...
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- What is drift velocity?
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- What are ohmic and non-ohmic resistors? Give one example of each.
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- Deduce Ohm's law using the concept of drift velocity.
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- Discuss the various situations, which describe the failure of Ohm's la...
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- Resistance of a conductor depends on:
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- Resistance of a conductor depends on:
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- On what factors resistivity of the material depend?
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- Explain how the resistivity of a conductor depends upon relaxation tim...
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- Define 'relaxation time' in a conductor. Explain how it varies with in...
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- Define the term resistivity and write its S.I. unit. Derive the expres...
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- What do you understand by electrical resistivity and give its relation...
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