Question:

Electric lines of force never cross each other. Electric field at a point superimpose to give one resultant electric field.

Updated On: Apr 22, 2025
  • If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • If the Assertion is correct but Reason is incorrect.
  • If both the Assertion and Reason are incorrect
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The Correct Option is B

Solution and Explanation

Electric lines of force never cross each other. Electric field at a point add up vectorally to give one resultant electric field. So, they do not have independent existence at the point of superposition so, electric lines of force do not cross each other (crossing of electric lines of force at a point means at a point two fields are having independent existence).
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Concepts Used:

Electric charges and field

What is Electric Charge

It is the property of subatomic particles that experiences a force when put in an electric and magnetic field.

What is Electric Field

It is a property associated with each point in space when charge is present in any form. The magnitude and direction of the electric field are expressed by E, called electric field strength or electric field intensity.

Electric charges are of two types: Positive and Negative. It is commonly carried by charge carriers protons and electrons.

Properties of Electric Charge

Various properties of charge include the following :-

Types of electric charge

Two kinds of electric charges are there :-

Negative Charge - When an object has a negative charge it means that it has more electrons than protons.

Positive Charge - When an object has a positive charge it means that it has more protons than electrons.

When there is an identical number of positive and negative charges, the negative and positive charges would cancel out each other and the object would become neutral.