If you could see the electric field coming off a proton you would notice that electric field lines are what?
1 answer:
The electric field generated by a proton is a radial field, so we would see the field lines going radially from the proton toward every direction. I've attached a picture representing the electric field generated by a positive charge, such as a proton, and we can see the field lines going radially from the charge toward every direction.
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Answer:
Explanation:
Given:
- force applied on the copper wire,
- cross sectional area of the wire,
- Poisson's ratio,
- we have, Young's modulus,
<u>Stress induced due to the applied force:</u>
<u>Now the longitudinal strain:</u>
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Now from the relation of Poisson's ratio:
where:
lateral strain
..................(1)
<u>Now we find the diameter of the wire:</u>
<u>When the tensile load is applied its diameter decreases:</u>
The lateral strain is also given as,
Now the final diameter will be:
Now the ratio: