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Each resistance shown in the network is ...

Each resistance shown in the network is in ohm. Current through the resistor `3 Omega` is 0.25 A. The input voltage 'V' is equal to

A

10 V

B

20 V

C

5 V

D

`15/2V`

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The correct Answer is:
B
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RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-1 (Part-2)
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  2. Two coils connected in series have resistance of 600K Omega and 300 Om...

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  3. Each resistance shown in the network is in ohm. Current through the re...

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  4. Two electric bulbs marked 25W - 220V and 100W - 220V are connected in ...

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  5. In the figure shown, each resistor is of 20 Omega and the cell has emf...

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  6. Arrange the order of power dissipated in the given circuits, if the sa...

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  7. Five identical resistors each of resistance 1Omega are initially arra...

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  8. Four identical bulbs each rated 100 watt, 220 volts are connected acro...

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  9. Three equal resistors connected in series across a source of EMF...

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  10. The given Wheatstone bridge is showing no deflection in the galvanom...

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  11. Three equal resistances, each of ROmega are connected as shown in figu...

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  12. A wire of resistance 0.1 cm^(-1) bent to form a square ABCD of side 10...

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  13. In the circuit shown in Fig. 7.39, the heat produced in the 5 Omega re...

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  14. A 50 W bulb is in series with a room heater and the combination is con...

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  15. The equivalent resistance between the points A and B is

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  16. A battery of internal resistance 4 Omega is connected to he network of...

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  17. In these circuits all the batteries are indentical and have negllgible...

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  18. Two nonideal batteries are connected in parallel. Consider the followi...

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  19. Twelve cells each having the same emf are connected in series and are ...

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  20. Two cells of e.m.f. 10V & 15V are connected in parallel to each other ...

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