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JEE PHYSICS MCQ: ELECTRIC FIELDS AND CHARGES
1
Medium
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Understanding
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Consider the following two statements
a) Electric field is always conservative in nature.
b) In electromagnetic waves the phase difference between oscillating electric and magnetic field is
The corerct statement (s) is/are
a) Electric field is always conservative in nature.
b) In electromagnetic waves the phase difference between oscillating electric and magnetic field is
The corerct statement (s) is/are
View answer and explanation
Correct option: D
Neither (a) nor (b)
Option D (Neither (a) nor (b)) is correct because electric fields are not always conservative (e.g., induced electric fields), and the electric and magnetic fields in EM waves are in phase.
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Statement-II: Electric field produced by charge may favour the existing electric filed Two particles having equal mass and charge
are separated by a distance The force(s) they
experience is (are) Statement-I: No 2 electric lines of force can intersect each other
Statement-II: tangent at any point of electric line of force gives the direction of electric field A force of is acting between two charges in air if the space between them is completely filled with glass , then the new force will be …… An electron is placed at centre of a conducting sphere of radius 0.2 metre having charge coulomb. The force of on the electron is ________ N