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Assertion: Electric lines of force cros...

Assertion: Electric lines of force cross each other
Reason: Electric field at a point superimpose to give one resulant electric field

A

if both Assertion and Reason are true and the Reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C

if Assertion is true, but the Reason is false.

D

if both Assertion and Reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Electric lines of force never cross earth other because if electric lines of force cross each other, then the electric field at the point of intersection will have two directions simultaneously which is not possible .
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Assetrion: Electric lines of force cross each other. Reason: Electric field at a point superimpose to give one resultant electric field.

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

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Which of the following is correct regarding electric lines of force ? (i) Electric lines of force diverge from +ve and converge at a -ve charge (ii) Electric lines of force never cross each other , otherwise there will be two directions of electric field at a point of intersection which is not possible (iii) Closer are the electric lines of forces , stronger is the field , and further apart lines of force ,weaker is electric field (iv) The electric lines of forces are parallel for a uniform electric field

In a region, where electric field intensity is 5 N/C, 50 electric lines of force are crossing per sq. metre. The number of electric lines of force crossing perr sq. metre where electric field intensity is 20 N/C, will be

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Knowledge Check

  • Assetrion: Electric lines of force cross each other. Reason: Electric field at a point superimpose to give one resultant electric field.

    A
    If both assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    If both assertion and reason are true but Reason is not the correct explanation of the Assertion.
    C
    If Assertion is true, but the Reason is false.
    D
    If both assertion and reason are false

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

    A
    If both assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    If both assertion and reason are true but Reason is not the correct explanation of the Assertion.
    C
    If Assertion is true, but the Reason is false.
    D
    If both assertion and reason are false

  • Which of the following is correct regarding electric lines of force ? (i) Electric lines of force diverge from +ve and converge at a -ve charge (ii) Electric lines of force never cross each other , otherwise there will be two directions of electric field at a point of intersection which is not possible (iii) Closer are the electric lines of forces , stronger is the field , and further apart lines of force ,weaker is electric field (iv) The electric lines of forces are parallel for a uniform electric field

    A
    `(i),(ii)`
    B
    `(ii),(iii)`
    C
    `(ii),(iv)`
    D
    all
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