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S: The field lines around a bar magnet i...

S: The field lines around a bar magnet is non-uniform
R: The strength and direction of field lines change from point to point.

A

S' and 'R' are correct and 'R' is correct explanation of 'A'

B

S' and 'R' are correct but 'R' is not a correct explanation of 'A'

C

S is correct but R is wrong

D

S is wrong R is correct

Text Solution

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-ELECTROMAGNETISM-CREATIVE QUESTION FOR NEW MODEL EXAMINATION (SEC-1)
  1. Are the magnetic field lines closed? Explain.

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  2. How is field strength , when the field lines are crowded?

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  3. S: The field lines around a bar magnet is non-uniform R: The strengt...

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  4. What is called by the number of lines passing through the plane of are...

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  5. How do you denote magnetic flux with a symbol?

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  6. What is the SI unit of magnetic flux?

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  7. Write formula for magnetic flux density.

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  8. What are the units of magnetic flux density?

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  9. What is tesla?

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  10. phi =BA cos theta. In the given formula, what is theta?

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  11. What is the flux through the plane taken parallel to the field?

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  12. What is the shape of the magnetic field lines around a current carryin...

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  13. If the current flows through a straight wire vertically upwards(out of...

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  14. IF the current flows through a straight wire in downwards direction. H...

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  15. Which rule is useful to determinate the direction of field lines aroun...

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  16. Draw the magnetic field lines around a current carrying wire. If the d...

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  17. When you curl your right hand fingers in the direction of current. Whi...

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  18. Draw the diagram of a solenoid.

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  19. How do you make a solenoid with a long copper wire?

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  20. Bar magnetic field lines are same as field lines around the

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