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In a potentiometer wire experiment the e...

In a potentiometer wire experiment the emf of a battery in the primary circuit is 20 volt and its internal resistance is `5 Omega`. There is a resistance box (in series with the battery and the potentiometer wire) whose resistance can be varied from `120 Omega` to `170 Omega`. Resistance of the potentiometer wire is `75 Omega`. The following potential difference can be measured using this potentiometer

A

5V

B

6V

C

7V

D

8V

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The correct Answer is:
A, B, C
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In a potentiometer wire experiment the emf of a battery in the primary circuit is 20V and its internal resistance is 5Omega . There is a resistance box in series with the battery and the potentiometer wire, whose resistance can be varied from 120Omega to 170Omega . Resistance of the potentiometer wire is 75Omega . The following potential differences can be measured using this potentiometer.

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RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-2 (Part-3)
  1. When no current is passed through a conductor,

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  2. The current density in a wire is 10A//cm^(2) and the electric field in...

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  3. A bulb is conneted to an ideal battery of emf 10 V so that the resulti...

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  4. Consider a cylindrical conductor of length L and area of cross - secti...

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  5. N cells each of e.m.f. E & internal resistance r are grouped into sets...

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  6. In the circuit shown in fig. the cell has emf 10V and internal resista...

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  7. In the network shown, points A, B and C have potentials of 70 V, zero ...

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  8. In the circuit shown in figure

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  9. A battery of emf E and internal resistance r is connected across a res...

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  10. Potential difference across the terminal of a non ideal battery is

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  11. A cell of emf epsilon and internal resistance r drives a current i thr...

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  12. In the given figure, E=12V, R(1)=3Omega, R(2)=2Omega" and "r=1Omega. T...

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  13. In a potentiometer wire experiment the emf of a battery in the primary...

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  14. By mistake, voltmeter is connected in series and an ammeter in paralle...

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  15. A microammeter has as resistance of 100 Omega and full scale range of ...

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  16. Two cells of unequal emfs epsi(1)" and "epsi(2), and internal resistan...

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  17. Three voltmeters all having different resistance, are joined as shown....

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  18. In the potentiometer arrangement shown, the driving cell A has emf eps...

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  19. Choose the correct alternatives A. Ratio of de-Broglie wavelengths ...

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  20. Which of the following statement is/are correct?

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