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A dip needle free to move in a vertical ...

A dip needle free to move in a vertical plane perpendicular to the magnetic meridian will remain

A

horizontal

B

vertical

C

at an angle of `60^@` to the vertical

D

at an angle of `45^@` to the horizontal

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The correct Answer is:
B
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PATHFINDER-MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III-QUESTION BANK
  1. Magnetic field at the centre of a circular loop of area A is B the mag...

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  2. The vertical component of the earth's magnetic field is zero at the

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  3. A dip needle free to move in a vertical plane perpendicular to the mag...

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  4. If phi1 and phi2 are the angles of dip in two vertical plane at right ...

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  5. If a dip circle is placed in a vertical plane at an angle of 30^@ to t...

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  6. A galvanometer of resitance G is shunted by a resistance S ohm.to keep...

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  7. Two tangent galvanometer having coils of the same radius are connected...

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  8. A tangent galvanometer is connected directly to an ideal battery if th...

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  9. If the current is doubled the deflection is also doubled in

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  10. The most appropriate magnetisation M versus magnetising field H curve ...

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  11. Which one of the following is not made of soft iron?

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  12. The variation of magnetic susceptiblity (chi) with magnetising field (...

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  13. Above curie point suspceptiblity of a ferromagnetic substance becomes

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  14. A cyclotron's oscillator frequency is 10 MHz what should be the operat...

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  15. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  16. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  17. A circular coil of 20 turns and radius 10 cm is placed in a uniform ma...

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  18. A circular coil of 30 turns and radius is 8.0 cm carrying a current of...

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  19. A circular coil of 30 turns and radius is 8.0 cm carrying a current of...

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  20. A uniform magnetic field of 1.5T exists in a cyllinserical region of r...

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