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If the power dissipated in the 27 Omega ...

If the power dissipated in the `27 Omega` resistor in the circuit shown is 108 watt, the potential difference across the `4 Omega` resistor is

A

20volt

B

10 volt

C

5 volt

D

4 volt

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-Mock Test27-EXAMPLE
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  2. If the ammeter in given circuit reads 1 A, then resistance R is

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  3. If the power dissipated in the 27 Omega resistor in the circuit shown ...

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  4. The resistance between the lerminal points P and Q of the given infini...

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  5. A battery of EMF 10 V, with internal resistance 1 Omega is being charg...

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  6. A battery of EMF E produces currents 4 A and 3 A when connected to ext...

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  7. A 5 V battery with internal resistance 1 Omega and a 2 V battery with...

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  8. n identical cells each of e.m.f. E and internal resistance r are conne...

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  9. Two sources of equal emf are connected to an external resistance R. Th...

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  10. A cell of internal resistance r drivers current through an external r...

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  11. To get maximum current through a resistance of 2.5Omega, one can use ...

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  12. For a cell, a graph is plotted between the potential difference V acro...

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  13. If electric bulbs having resistances in the ratio 2 : 3 are connected ...

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  14. Two bulbs 100 W, 250 V and 200 W, 250 V are connected in parallel acro...

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  15. Fill in the blanks :

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  16. The following figure shows a part of a circuit,the potential differenc...

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  17. In the given circuit. If the potential at A is 95 V, then the potentia...

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  18. Shown is a network of currents. The magnitude of the current is also s...

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  19. The following figure shows a part of a circuit,the potential differenc...

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  20. Potential different across the terminals of the battery shown in figur...

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