HARD
JEE Main/Advance
IMPORTANT
Earn 100
In the given figure, the vertical distance from point to is the same as the horizontal distance from to either charge and the electric field at due to either charge has magnitude . If is negative and is positive, what is the direction of the net electric field at
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Important Questions on Electric Charges and Fields
MEDIUM
JEE Main/Advance
IMPORTANT
Two charges and are kept at and respectively. The graph showing the variation of electric field along axis is
MEDIUM
JEE Main/Advance
IMPORTANT
In the following figure, the electric field on axis will be maximum at
HARD
JEE Main/Advance
IMPORTANT
Figure shows charge beads with charges as shown in figure. The charges are placed upon the corners of a square. Rank the magnitude of electric field at the centre in decreasing order.
MEDIUM
JEE Main/Advance
IMPORTANT
A wire is bent in the form of a regular pentagon of edge length . A total of charge is distributed over it. Find the electric field at the centre of the pentagon.
HARD
JEE Main/Advance
IMPORTANT
A point charge is kept at the centre of a fixed semicircular thread having a uniform charge per unit length , the radius of the semicircular thread being . The force required to keep the charge stationary is
EASY
JEE Main/Advance
IMPORTANT
In which of the following figures, the direction of electric field at point is different from others? and represent constant linear charge densities)
EASY
JEE Main/Advance
IMPORTANT
A circular ring carries a charge , the variation of electric field with distance measured from centre along axis for can be given as Radius of Ring]
EASY
JEE Main/Advance
IMPORTANT
A circular ring carries a charge , the variation of electric field with distance measured from centre along axis for is given by Radius of Ring]. The maximum electric field on the axis will be [where ]
