direction of electric field class 11
Answers
- direction of electric field?
answer:
The direction of the field is taken as the direction of the force which is exerted on the positive charge. The electric field is radially outwards from positive charge and radially in towards negative point charge.
- calculate the value of electric field
answer:
If you place a charged body in the presence of an electric field of another charged body, there will be some force acting on it. This phenomenon is best explained using Coulomb's law.Let us consider a charged object having charge Q1. A unit positive charge is placed at a distance r from the center of Q1. This field has the value:So, Coulomb's law states that the force acting on the unit positive object is given byHere it is considered that the medium in which both the objects are kept in either air or vacuum. The force experienced by unit test charge at a distance r, is the electric field of charge Q1 at that point. is the force vector that acts on the unit positive charge. is called the electric field strength for electric field intensity at a point.
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Answer:
The direction of electric field produced by positive charges is radially outward from the charge, i.e. away from the point charge. The direction of electric field produced by negative charges is radially toward the charge, i.e. towards the point charge.
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