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R G PUBLICATION-CURRENT ELECTRICITY-EXERCISE
- What are the factors on which resistance of a conductor depends?
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- What is super conductivity.
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- State the principle of working of a potentiometer.
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- What is the principle of a meter bridge.
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- Kirchhoff's first law obeys laws of conservation of charge, how?
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- When a Wheatstone Bridge will be balanced?
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- What is ohmic and non ohmic conductor?
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- How drift velocity related with random velocity?
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- What is one ampere current?
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- Write an expression for the ratio of resistance in balanced Wheatstone...
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- What is meant by free electron of a conductor?
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- What is the difference between electric current and electric current d...
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- What is a shunt? What is its use?
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- What is electic current?
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- Show that for a conductor R = P l/A where L is the length and A is the...
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- 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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