| Directions: In the following questions, a statement of Assertion (A) is followed by a statement of Reason: |
| (R). Mark the correct choice as: |
| Assertion (A): As force is a vector quantity, hence electric field intensity is also a vector quantity. |
| Reason (R): The unit of electric field intensity is newton per coulomb. |
A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A)
B) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A)
C) Assertion (A) is true but Reason (R) is false
D) Assertion (A) is false and Reason (R) is also false
Correct Answer: B
Solution :
(b) The electric field intensity is equal to force experienced by unit positive test charge \[{{q}_{0}}\] placed at that point i.e. \[\overrightarrow{E}=\frac{\overrightarrow{F}}{{{q}_{0}}}\]thus \[\overrightarrow{E}\] is also a vector quantity As, \[E=\frac{F}{q}=\frac{newton}{coutomb}\].
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