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Physical signifance of electric field...

Physical signifance of electric field

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An oil drop having a charge q and apparent weight W falls with a terminal speed v in absence of electric field . When electric field is switched on it starts moving up with terminal speed v. The strength of electric field is

The unit of physical quantity obtained by the line integral of electric field is

If the dimension of a physical quantity (EB)/(mu) is M^(a)L^(b)T^(c) . Find the value of ((b-c)/a) . Here Eimplies magnitude of electric field Bimplies Magnitude of magnetic field muimplies Permeability of medium

The dimensional formula for electric field is

Figure shows some of the electric field lines correspoinding to an electric field. The figure suggests that

An electric dipole in a uniform electric field experiences (When it is placed at an angle theta with the field)

The equation of an equipotential line in an electric field is y = 2 x , then electric field strength vectro at 1, 2 may be .

Assertion : Magnetic force is always perpendicualr to the magnetic field. Reason : Electric force is along the direction of electric field.

Assertion : In a uniform electric field electrons move in the opposite direction of electric field. Reason : This is because of the negative charge of an electron.

The electrical potential function for an electrical field directed parallel to the x-axis is shown in the given graph. Draw the graph of electric field strength.