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A magnetic field...

A magnetic field

A

Always exerts a force on a charged particle

B

Never exerts a force on a charged particle

C

Exerts a force, if the charged particle is moving across the magnetic field lines

D

Exerts a force, if the charged particle is moving along the magnetic field lines

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
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  2. Lorentz force can be calculated by using the formula.

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  3. A magnetic field

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  4. A proton enters a magnetic fiedl of flux density 1.5"weber"//m^(2) wit...

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  5. If a particle of charge 10^(-12) coulomb moving along thehat(x)-direct...

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  6. A proton, a deuteron and an alpha particle are accelerated through sam...

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  7. Which of the following statement is true

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  8. An electron and a proton enter region of uniform magnetic field in a d...

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  9. A proton of mass 1.67xx10^(-27)kg and charge 1.6xx10^(-19)c is projec...

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  10. A proton and a deuteron both having the same kinetic energy, enter pe...

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  11. A proton (or charged particle) moving with velocity v is acted upon by...

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  12. A proton and an electron both moving with the same velocity v enter ...

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  13. A charge + Q is moving upwards vertically. It enters a magnetic field ...

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  14. An electron is moving on a circular path of radius r with speed v in a...

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  15. A beam of well collimated cathode rays travelling with a speed of 5xx1...

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  16. An electron having charge 1.6xx10^(-19)C and mass 9xx10^(-31) kg is mo...

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  17. An electron entres a magnetic field whose direction is perpendicualr ...

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  18. An electron is moving vertically downwards. If it passes through a mag...

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  19. A current carrying long solenoid is placed on the ground with its axis...

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  20. A charged particle of charge q and mass m enters perpendiculalry in a ...

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