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2015-12-06
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2017-08-14
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2017-08-25
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2020-08-21
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What is the integral of electric field?
The line integral of electric field around a closed loop is equal to the voltage generated in that loop (Faraday's law): Such an integral is also used for the calculation of voltage difference since voltage is work per unit charge. Calculating the voltage difference near a point charge is a good example.
What is surface integral of electric field?
Surface integral of electric field is electric flux and its unit is Nm2C-1.
What is the magnitude of the electric field?
the magnitude of the electric field (E) produced by a point charge with a charge of magnitude Q, at a point a distance r away from the point charge, is given by the equation E = km/r2, where k is a constant with a value of 8.99 × 109 N m2/C2.
Is electric to field a conservative force?
Electric field is not a conservative field in general. Only electrostatic fields i.e. fields generated by a static charge distribution, are conservative in nature. Where the line integral is taken along the contour, the path along which the test charge is moved.
How an electric field is created?
Electric fields are created by electric charges, or by time-varying magnetic fields. The electric field is defined mathematically as a vector field that associates to each point in space the (electrostatic or Coulomb) force per unit of charge exerted on an infinitesimal positive test charge at rest at that point.
What is an electric field and how is it created?
A charged object creates an electric field — an alteration of the space or field in the region that surrounds it. Other charges in that field would feel the unusual alteration of the space. Whether a charged object enters that space or not, the electric field exists.
How does an electric field work?
Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge.
How an electric field is produced by an object with an electric charge?
Electric Field Formula An electric charge produces an electric field, which is a region of space around an electrically charged particle or object in which an electric charge would feel force. The lines are defined as pointing radially outward, away from a positive charge, or radially inward, toward a negative charge.
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