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Class 12 › Physics › Electric Charge and Field
CBSE2024Class Class 12 · Physics5 Marks · Long✅ Verified
(i) Define electric intensity. (ii) Derive an expression for electric intensity at a point situated on the axis of an electric dipole.
✅ Answer & Solution
<b>(i) Electric Intensity (Electric Field):</b><br><br><b>Definition:</b><br>Electric intensity at a point is defined as the force experienced per unit positive test charge placed at that point.<br><br><b>Formula:</b> E = F/q<sub>0</sub><br><br><b>SI Unit:</b> N/C or V/m<br><br><b>Nature:</b> Vector quantity (direction same as force on positive charge)<br><br><b>
