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A battery sets up an electric field of 2...

A battery sets up an electric field of 25 N/C inside a uniform wire of length 2 m and a resistance of `5Omega`. Find current through the wire.

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The correct Answer is:
`10 A`
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RESONANCE-CURRENT ELECTRICITY-Exercise-1 (Part-1)
  1. A currnet of 5 A exists in a 10Omegaresistance for 4 minutes. (i) H...

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  2. A copper wire of radius 0.1 mm and resistance 1 k Omega is connected a...

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  3. A battery sets up an electric field of 25 N/C inside a uniform wire of...

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  4. (i) A potential difference of 200 volt is applied to a coil at a tempe...

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  5. The current-coltage graphs for a given metallic wire at two differenct...

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  6. If a copper wire is stretched to make it 0.1% longer wha is the percen...

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  7. A rectabgykar carbon block has dimensions 1.0 cmxx 1.0 xx50 cm. (i) ...

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  8. In following diagram boxes may contain resistor or barrery or any othe...

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  9. A resistore with a current of 3 A through it converts 500 J or electri...

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  10. The figure shows the current I in a single-loop cicruit with a battery...

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  11. (a)A car has a fresh storage battery of emf 12 V and internal resistan...

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  12. One kilowatt electric heater is to be used with 220V d.c. supply. (i) ...

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  13. In following circuit potential at point 'A' is zero then determine ...

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  14. For the circuit shown in figure, find the voltage acrss 10Omega resist...

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  15. For the circuit shown in figure, determine the unknown voltage drop V(...

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  16. A resistor develos 400 J of thermal energy in 10 s when a current of 2...

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  17. Find the current in 10Omega resistcance, V(1) and source voltage V(s) ...

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  18. Two electric bulbs, each designed to operate with a power of 500W in 2...

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  19. Two (non-physics) students, A and B living in neighboring hostel room...

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  20. All resistances in fig. 5.34 are in ohm. Find the effective resistance...

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