NEET UG PHYSICS MCQ: MAGNETIC EFFECT OF CURRENT

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Application +4 | -1

A proton of velocity 

\left( {3\hat i + 2\hat j} \right) \times {10^5}\mathrm{m}{\mathrm{s}^{ - 1}}

enters a magnetic field

\left( {2\hat i + 3\hat k} \right)

T. If the specific charge is

9.6 \times {10^7}C\,k{g^{ - 1}}

. The acceleration of the proton in

\mathrm{m}{\mathrm{s}^{ - 2}}

View answer and explanation

Correct option: C

\left( {6\hat i - 9\hat j - 4\hat k} \right) \times 9.6 \times {10^{12}}

Option C (

\left( {6\hat i - 9\hat j - 4\hat k} \right) \times 9.6 \times {10^{12}}

) is correct because it is the result of calculating the magnetic force and then using the specific charge to find the acceleration.

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