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Find the reading of ammeter ? Is this th...

Find the reading of ammeter ? Is this the current through `6 Omega` ?

Text Solution

Verified by Experts

`R_("eq")=(3xx6)/(3+6)+1=3Omega`
`"Current through battery I"=18/3=6A`
So, current through ammeter `=6xx6/9=4A`
No, it is not the current through the `6 Omega` resistor.
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RESONANCE ENGLISH-CURRENT ELECTRICITY-High Level Problems (HIP)
  1. Find the reading of ammeter ? Is this the current through 6 Omega ?

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  2. A galvanometer having 30 divisions has a current sensitivity of 20 mu ...

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  3. A 100 V voltmeter of internal resistance 20 kOmega in series with a hi...

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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. When a cell is conneted in a circuit, a current 1(1) flows in the circ...

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

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

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  9. A galvanometer having a coil resistance of 100 Omega gives a full scal...

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  10. A 6V battery of negligible internasl resistance is connected across a ...

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  11. The emf (epsilon)and the internal resistance r of the battery shown in...

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

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  13. Find the resistance R(AB) of the frame made of a thin wire. Assume tha...

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

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

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  16. A thin wire of length L and cross-sectional area A oriented in the x-d...

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

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

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  19. If the reading of ammeter A(1)in figure is 2.4 A, what will the ammete...

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  20. An ideal cell having a steady emf of 2 volt is connected across the po...

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