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In the following circuit reading of volt...

In the following circuit reading of voltmeter V is

A

12 V

B

8 V

C

20 V

D

16 V

Text Solution

Verified by Experts

The correct Answer is:
A
Potential difference between X and Y is
`V_(XY)=V_(X)-V_(Y)=1xx4` and Potential difference between X nd Z is `V_(XZ)=V_(X)-V_(Z)=1xx16=16V`

Now, we get potential difference between Y and Z i.e. reading of voltmeter is `V_(Y)-V_(Z)=12 V`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CURRENT ELECTRICITY-EXERCISE 1
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  8. Two resistors of resistances 2Omega and 6Omega are connected in parall...

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  9. Four identical cells of emf epsilon and internal resistance r are to b...

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  10. Two cells having an internal resistance of 0.2 Omega and 0.4 Omega are...

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  11. Two cells of emf E(1) and E(2) are joined in opposition (such that E(1...

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  12. A circuit consists of three bateries of emf E(1) = 1V, E(2)=2V and E(3...

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  13. Two identical cells whether connected in parallel or in series gives t...

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  14. The current pasing through the ideal ammeter in the circuit given belo...

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  15. In a typical wheatstone network the resistance in cyclic order are A=1...

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  16. In a potentiometer experiment for measuring the emf of cell, the null ...

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  17. In a Wheatstone's network, P=2Omega, Q=2Omega, R=2Omega and S=3Omega. ...

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  18. In a potentiometer experiment the balancing with a cell is at length 2...

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  19. For measurement of potential difference, potentiometer is perferred in...

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  20. Five resistance are connected as shown in the figure . The equivalent ...

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