A homogeneous electric field E and a uniform magnetic field B are pointing in the same direction. A proton is projected with its velocity parallel to E. It will:
Correct answer: A. Go on moving in the same direction with increasing velocity
- A. Go on moving in the same direction with increasing velocity
- B. Go on moving in the same direction with constant velocity
- C. Turn to its right
- D. Turn to its left
Explanation
The proton will continue to move in the same direction as the initial velocity (parallel to the electric field), and its speed will increase over time. In other words, the proton will accelerate in the direction of the electric field.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Electromagnetic Induction
Changing magnetic flux induces an emf according to Faraday's law, while Lenz's law gives the direction that opposes the change producing it. Transformers apply induction between coils to step alternating voltage up or down, with turns ratio, current transformation and energy losses determining practical operation.
Practise Electromagnetic Induction
288 free Electromagnetic Induction MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 16 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Electromagnetic Induction questions
A proton and an electron both moving with the same velocity v enter into a region of magnetic field directed perpendicular to the velocity of the particles. They will now move in circular orbits such that
A proton and an alpha particle, both are moving with same initial velocity, perpendicular to uniform magnetic field of 1 T. Find the ratio of radii of circles described by the alpha particle and the proton.
A uniform electric field and magnetic field are parallel and point in the same direction. An electron with velocity "v" projected in the same direction will:
One proton beam enters a magnetic field of 10-4T normally, a specific charge of 1011C/kg, and a velocity of 107m/s. What is the radius of the circle described by it?
Ampere's law give us the relationship between:
What is the magnetic force on a stationary charged particle in a uniform magnetic field?