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A thin wire of resistance 4Omega is bent...

A thin wire of resistance `4Omega` is bent to form a circle. The resistance across any diameter is

A

`4Omega`

B

`1Omega`

C

`1/4Omega`

D

`1/16Omega`

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UNITED BOOK HOUSE-MODEL PAPER SET-04-EXERCISE
  1. The electric potential at any point in 3 dimensional co-ordinate (x,y,...

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  2. If the charge on a capacitor is increased by 2 coulomb, the energy sto...

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  3. A thin wire of resistance 4Omega is bent to form a circle. The resista...

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  4. A galvanometer of resistance 8 Omega. is shunted with 2 Omega resistan...

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  5. A bar magnet of magnetic moment M is suspended in a uniform magnetic f...

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  6. If Q is the dimenstion of charge then which quantity of the following ...

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  7. The number of turns of a coil in an a.c. generator is 2000 . Area of t...

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  8. An electromagnetic wave is propagating along X-axis. The magnitude of ...

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  9. The angle of minimum deviation is the same as the angle of a glass pr...

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  10. Two periodic waves of intensities I1 and I2 are travelling through a ...

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  11. If the electron in a hydrogen atom jumps from an orbit with level n(1)...

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  12. Find the current through an ideal p- n junction diode asshown is figur...

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  13. In A.M. the maximum and minimum amplitude are 25 V and 5Vrespectively....

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  14. The horizontal and vertical comporient-of earth’s magnetic field at a ...

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  15. Which quantity’ corresponds to J//T? Define that quantity?

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  16. When the current in a coil changes form +2A to-2A in 0.5 sec then the ...

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  17. The real object distance and real image distance from a concave mirror...

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  18. Convert this into binary number (17.625)10.

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  19. If 1 Omega shunt be connected across a galvanometer of 99Omega resista...

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  20. The potential difference between two ends of an electric bulb is reduc...

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