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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
- What is the principle of a meter bridge.
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- Is it necessary to keep the length of a metre bridge wire one metre?
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- Why is a potentiometer named as potentiometer
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- State two uses of a potentiometer.
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- Discuss various situations, which describe the failure of Ohm's law,
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- Define mobility of a charge carrier. What is its relation with relaxat...
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- What is meant by drift velocity of electrons ?
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- State Kirchoff's laws of current electricity.
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- Apply Kirchhoff's laws to establish the principle of a balanced Wheats...
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- Establish the following relation for current flowing through a circuit...
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- Obtain an expression for the equivalent resistance when n identical re...
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- n identical resistors each having resistance R are connected in parall...
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- One low resistance is connected in parallel to a high resistance. Show...
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- What is a potentiometer? Why is it most accurate device in measuring e...
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- Define rest and motion
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- What is Ohm's law? Describe.
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- Give an example of circular motion.
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- What is meant by rectilinear motion? Give two examples.
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- Why heat energy is produced, when electric current passes through a re...
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- Obtain an expression for the heat produced in a wire, when a current I...
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