- AScalar quantity
- ✓Vector quantity
- CTensor quantity
- DQuantity that has properties of both scalar and vector
A scalar quantity is a quantity with magnitude only but no direction. But a vector quantity possesses both magnitude and direction. An electric field has a very specific direction $($away from a positive charge or towards a negative charge$)$. Hence electric field is a vector quantity. Moreover, we have to use a vector addition for adding two electric fields.
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$(A)$ The electric flux through the shell is $\sqrt{3} R \lambda / \in_0$
$(B)$ The z-component of the electric field is zero at all the points on the surface of the shell
$(C)$ The electric flux through the shell is $\sqrt{2} R \lambda / \in_0$
$(D)$ The electric field is normal to the surface of the shell at all points