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The vertical component of the earth's ma...

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

A

magnetic poles

B

magnetic equator

C

geographic poles

D

`45^@` latitude

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

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

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

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

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

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

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

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

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

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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 20 turns and radius 10 cm is placed in a uniform ma...

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

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