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For a the current loops shown in the fi...

For a the current loops shown in the figu re, kirchhoff's loop rule for the loops AHDCBA and AHDEFGA yields these equations respectively.

A

`sqrt30 m//s`

B

`sqrt15 m//s`

C

0

D

`-sqrt15 m//s`

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The correct Answer is:
C

`rArr` vertical component of velocity I szero
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ALLEN-CURRENT ELECTRICITY-EXERCISE-V B
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  5. A galvanometer having a coil resistance of 60 Omega shows full scale ...

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  7. If an electron revolves in the circular path of radius 0.5A^(@) at a f...

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  8. The external diameter of a 314 m long copper tube is 1.2 cm and the i...

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  9. In the shown arrangement of the experiment of the meter bridge if AC c...

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  10. A potentiometer circuit is set up as shown. The potential gradient acr...

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  11. A galvanometer has a coil of resistance 100 Omega and gives full scale...

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  12. Consider the following two statements. A. Kirchhoff's junction law f...

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  13. For a the current loops shown in the figu re, kirchhoff's loop rule f...

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  14. In a potentiometer arrangement, a cell of emf 1.25 V gives a balance p...

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  15. A current of 2 A flows through a 2Omega resistor when connected acros...

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  16. If power dissipated in the 9Omega resistor in the circuit shown is 36 ...

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  17. In the circuit shown in the figure, if potential at point A is taken t...

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  18. A galvanometer of resistance, G, is shunted by a resistance S ohm. To ...

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  19. A thermocouple of negligible resistance produces an e.m.f. of 40mu (V)...

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  20. Figure shows three resistor configurations R1,R2 and R3 connected to 3...

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