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R G PUBLICATION-CURRENT ELECTRICITY-EXERCISE
- What is the resistivity and current density? Give their SI unit.
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- Define conductivity.
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- What is the drift velocity of electrons in a conductor? Establish the ...
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- What is mobility?Give its SI unit.
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- Draw the characteristic curve of a diode of voltage V versus current I...
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- What is resistors? Why resistors are made mostly from carbon?
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- Distinguish between conductors and insulators .Give examples.
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- What is semiconductors? Give examples.
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- "To reduce power dissipation in the connecting wires between different...
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- What is internal resistance of a cell?
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- State and explain Kirchhoff's rules used for analysis of an electric c...
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- State and explain Kirchhoff's rules used for analysis of an electric c...
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- Give the experimental procedure to find out the internal resistance o...
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- What is the principle of a meter bridge.
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- What is specific resistance of a conductor? How it is related to elect...
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- The resistance of a Cu wire at 20^@C is 200Omega what is the resistanc...
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- A current of 10 ampere passes through a wire having cross-sectional ar...
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- Obtain an expression for equivalent resistance of three conductors whe...
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- State how resistance of a conductor depends upon length and cross-sect...
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- Find the equivalent resistance across A and B in the circuit.
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