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A positivively charged particle moving d...

A positivively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The particle will

A

continue to move due east

B

move in a circular orbit with its speed unchanged

C

move in a circular orbit with its speed increased

D

gets deflected vertically upwards

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The correct Answer is:
B
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
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  2. An electron enter a region when magnetic field (B) and electric field ...

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  3. A positivively charged particle moving due east enters a region of uni...

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  4. In a certain region of space electric field vecE and magnetic field ve...

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  5. A charged particle of charge q and mass m enters perpendicularly in a...

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  6. A particle having charge q moves with a velocity v through a region in...

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  7. A charged particle moves through a magnetic field in a direction perpe...

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  8. An electron moves in a circular orbit with a uniform speed v. It produ...

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  9. When a charged particle moving with velocity vecv is subjected to a ma...

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  10. A beam of electron passes undeflected through mutually perpendicular e...

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  11. In a mass spectrometer used for measuring the masses of ions, the ions...

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  12. Under the influence of a uniform magnetic field a charged particle is ...

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  13. A particle having a mas of 10^(-2) kg carries a charge of 5 xx 10^(-8)...

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  14. A particle moves in a region having a uniform magnetic field and a par...

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  15. A uniform electric field and uniform magnetic field are acting along t...

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  16. An alternating electric field, of frequency v, is applied across the d...

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  17. When a proton is released from rest in a room, it starts with an initi...

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  18. A charged particle is released from rest in a region of steady and uni...

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  19. An electron falling freely under gravity enters a region of uniform ho...

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  20. A proton deutron and an alpha -particle having the same K.E. are movin...

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