PSEB-CURRENT ELECTRICITY-EXERCISE
- The number density of free electrons in a copper conductor estimated i...
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- The earth’s surface has a negative surface charge density of 10^-9 C m...
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- Six lead-acid type of secondary cells each of emf 2.0 V and internal r...
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- A secondary cell after long use has an emf of 1.9 V and a large intern...
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- Two wires of equal length, one of aluminium and the other of copper ha...
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- What conclusion can you draw from the following observations on a resi...
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- Answer the following questions: A steady current flows in a metallic c...
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- Answer the following questions: Is Ohm’s law universally applicable fo...
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- Answer the following questions: A low voltage supply from which one ne...
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- Answer the following questions: A high tension (HT) supply of, say, 6 ...
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- Choose the correct alternative: Alloys of metals usually have (greater...
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- Choose the correct alternative: Alloys usually have much (lower//highe...
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- Choose the correct alternative: The resistivity of the alloy manganin ...
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- Choose the correct alternative: The resistivity of a typical insulator...
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- Given n resistors each of resistance R. how will you combine them to g...
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- Given n resistors each of resistance R. how will you combine them to g...
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- Given the resistances of 1Omega ,2Omega ,3Omega , how will be combine ...
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- Determine the equivalent resistance of networks shown in Fig. 3.31. :
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- Determine the current drawn from a 12V supply with internal resistance...
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- Figure shows a potentiometer with a cell of 2.0 V and internal resist...
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