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CHETANA PUBLICATION-Current Electricity-Exercise
- Length of potentiometer wire is 600 cm and a driving cell develop 6V p...
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- The algebraic sum of current at junction in any electric circuit is eq...
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- Which of the following instruments in generally used with a galvanomet...
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- A Wheatstone's bridge ABCD is balanced with a galvanometer between the...
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- The emf of a cell is E volt and internal resistance is r ohm. It resis...
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- State the principle of potentiometer.
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- Write down the equation for thermo emf when cold junction is at 0^@C a...
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- A cell of emf 1.1 V and internal resistance r is connected across as e...
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- State any two advantages of potentiometer over voltmeter.
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- Distinguish between ammeter and voltmeter, (any two points).
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- If V = nv Vg then show that X = G(nv -1).
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- Define potential gradient. State its unit and dimension.
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- Four resistances 4Omega, 8Omega, xOmega and 6Omega are connected in th...
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- If a galvanometer is shunted by one third of its resistance, find the ...
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- Explain:- Thermo emf
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- Explain:- see back effect
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- Explain:- Thermocouple.
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- State any three sources of error in meterbridge experiment and steps t...
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- With a resistance R1 in the left gap and a resistance R2 in the right ...
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- State Kirchoff's laws in electricity:- Calculate the value of I1 and I...
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