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MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
- 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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- Show that the resistance of a conductor is given by: R = (ml)/(n e^2 t...
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- A conductor of length l is connected to a d.c. source of potential V. ...
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- Define 'relaxation time' in a conductor. Explain how it varies with in...
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- Define resistivity of a conductor. Explain the variation of resistance...
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- Define resistivity and state its SI unit. State and explain how to res...
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- Write the mathematical relation for the resistivity of a material in t...
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- Explain with the help of a graph, the variation of conductivity with t...
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- Explain the variation of conductivity of a metallic conductor with tem...
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- Express electrical conductivity in terms of charge, mass, number densi...
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- Define electric power and electric energy. Give their units.
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- Prove that electric energy (W) consumed in a conductor is given by the...
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- Obtain the formula for the power loss in a conductor of resistance R a...
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- Explain colour code for carbon resistors giving examples.
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- What is the need of combining different resistors? What is the resulta...
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- Derive expression for the total resistance of a circuit in which a few...
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