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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
- Why do we prefer a potentiometer with longer wire?
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- Why should the balance point be obtained in the middle of the wire of ...
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- Define friction.
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- A potential difference of 5 V is applied across a conductor of length ...
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- Specific resistance of the material of a wire is 44 x 10^6 Omega cm....
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- A cylindircal metallic wire is stretched to increse its length by 5%. ...
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- A cell of emf 4V and internal resistance 0.5 is connected across a loa...
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- A battery gives a current of 0.5A with an external resistor of 12 Omeg...
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- battery gives a current of 0.5A with an external resistor of 12 Omega ...
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- A cell can be balanced against 110 cm and 100 cm of potentiometer wire...
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- A resistance wire connected in the left gap of a metre bridge balances...
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- In a potentiometer arrangement, a cell of emf 1.25 V gives a balance p...
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- With a certain cell, the balance point is obtained at 65 cm from the e...
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- Two wires of same metal have same length, but their cross sections are...
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- A wire of resistance R is cut into n equal parts. These parts are conn...
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- The resistance of a 10m long wire is 10 Omega. Its length is increased...
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- If there is an increase in length by 0.1% due to stretching the percen...
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- How many electrons constitute current of one ampere?
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- A car battery has emf 12V and internal resistance 5 x 10^-2 Omega. it ...
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- The internal resistance of a cell of emf 2V is 0.1Omega. It is connect...
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