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MODERN PUBLICATION-CURRENT ELECTRICITY-Chapter Practice Test
- Is current density a vector or a scalar? Express its relation with ele...
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- State the direction of drift velocity of electron with respect to the ...
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- Why is manganin preferred over conductors like copper to construct sta...
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- Is the graph showing variation of current versus voltage for a diode l...
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- On increasing the temperature of a copper conductor, its resistivity i...
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- Prove that the current density of a metallic conductor is directly pro...
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- Deduce Ohm's law using the concepts of drift velocity and relaxation t...
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- Define mobility of a charge carrier.What is its relation with relaxati...
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- Write the sequence of colours in a carbon resistor having resistances ...
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- A cell of emf E and internal resistance r is connected across an exter...
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- State the principle of potentiometer. Draw a circuit diagram used to c...
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- With the help of a circuit diagram, explain the working principle of a...
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- Obtain the condition for bridge balance in Wheatstone's bridge.
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- Answer the following : (a) Why are the connections between the resi...
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- n-identical cells each of emf E and internal resistance r are connecte...
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