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Find current in the circuit...

Find current in the circuit

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`therefore` all the elements are connected in series current is

Applying Kirchhoff voltage law in ABCDA loop
10+4i-20+i+15+2i-30+3i=0
`rArr i=2.5 A`
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RESONANCE-CURRENT ELECTRICITY-High Level Problems (HIP)
  1. Find current in the circuit

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  3. A 150 V voltmeter has a resistance of 20,000Omega when connected in se...

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  4. A perosn decides to use his bath tub water to generate electric power ...

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  5. A cell of emf 3.4 V and internal resistance 3 Omega is connected to an...

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  6. A battery is made by joining m rows of identical cells in parallel. Ea...

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  7. In the circuit shown in figure, all wires have equal resistance r. Fin...

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  8. A falvanometer having a coil resistance of 100 ohms gives a full scale...

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  9. A 6 volt battery of negligible internal resistance is connected across...

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  10. The emf E and the internal resistance r of the battery shown in figure...

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  11. Consider an infinite ladder of network shown In fig 5.223. A voltage i...

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  12. Determine the resistance R(AB) between points A abd B of the frame mad...

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  13. A nichrome wire uniform cross-sectional area is bent to form a rectang...

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  14. An electric heater has heating coils A and B , when coil A is switched...

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  15. A thin uniform wire AB of length 1 m, an unknown resistance X and a re...

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  16. In a potentiometer circuit, two wires of same matirial resistivity rho...

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  17. A rod of length L and cross-section area A lies along the x-axis betwe...

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  18. A galvanometer vaving 50 divisions provided with a variable shunt S is...

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  19. Standard rating of each bulb is P, V. If total power consumption by co...

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  20. In the circit shown the three ammeters (marked as 1, 2, 3) are indenti...

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  21. Consider a potentiometer circuit, Primary cell is ideal. The length of...

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