Vector.
Direction of the electric field vector is the direction of the force experienced by a charged particle in an external electric field.
Charge is not a vector.
When one refers to the strength of a magnetic field, they're usually referring to the scalar magnitude of the magnetic field vector, so no.
Yes, it is.
Vector.
no
Scaler. The electric field is its vector counterpart.
Direction of the electric field vector is the direction of the force experienced by a charged particle in an external electric field.
in which field vector calculus is applied deeply
Charge is not a vector.
When one refers to the strength of a magnetic field, they're usually referring to the scalar magnitude of the magnetic field vector, so no.
Scaler. Its vector counterpart is the electric field.
It is a way of representing the magnetic force at a point in the field. The magnitude and direction of the vector represents the strength and the direction of the magnetic force acting on a charged particle in the field.
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The poynting vector is that one which represents the directional energy flux density of the electromagnetic field.
It is the rate of change in the vector for a unit change in the direction under consideration. It may be calculated as the derivative of the vector in the relevant direction.