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Q: Why current density is a vector quantity when current is scalar quantity?
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Related questions

Is volume a vector or scalar?

Density is a scalar quantity. We don't talk about the density of a material as having direction, which is a characteristic of a vector quantity.


Is current a vector or a scalar?

Definitely current is a SCALAR. Current density, of course, is a vector quantity Current = charge / time Both charge and time are scalars Current density = current / area Here area is a vector quantity Hence scalar product of current density and area give scalar quantity i.e. current. So electric current is a scalar Of course we assign +ve and -ve sign to currents. It is not because of direction as we do incase of vectors. But it is only algebraic sign.


Is AC a vector or scalar quantity?

current is vector or scalar


Is current a scalar or vector quantity?

It depends upon the condition.But basically, to be a vector, the physical quantities needs to follow vector algebra.but current dos not follow it so it is scalar quantity.


Why current density is vector quantity?

Current is not scalar. Current is a vector quantity. For simplicity, in electric circuits, current is scalar because the direction is assumed to be one way or another, rather than three dimensional.


Is electric current scaler or vector quantity?

Electric current is a scalar.


Is Electric displacement density scalar quantity?

no, it's a vector dude


Is Moment Arm a scalar or vector quantity?

vector


Is the distance a vector or scalar quantity?

scalar direction is a vector quantity


A vector quantity has direction a scalar quantity does not true or false?

True, a vector quantity has direction, and a scalar quantity does not.


The main difference between a scalar and a vector quantity is?

A vector quantity includes a direction; a scalar does not.A vector quantity includes a direction; a scalar does not.A vector quantity includes a direction; a scalar does not.A vector quantity includes a direction; a scalar does not.


Which are the scalar quantities?

A scalar quantity is a non-vector quantity. In a vector quantity, direction is relevant. In a scalar quantity, it is not. For example, mass (measured in kg.) is a scalar; force is usually indicated as a vector (magnitude in Newton, but the direction is also relevant).A scalar quantity is a non-vector quantity. In a vector quantity, direction is relevant. In a scalar quantity, it is not. For example, mass (measured in kg.) is a scalar; force is usually indicated as a vector (magnitude in Newton, but the direction is also relevant).A scalar quantity is a non-vector quantity. In a vector quantity, direction is relevant. In a scalar quantity, it is not. For example, mass (measured in kg.) is a scalar; force is usually indicated as a vector (magnitude in Newton, but the direction is also relevant).A scalar quantity is a non-vector quantity. In a vector quantity, direction is relevant. In a scalar quantity, it is not. For example, mass (measured in kg.) is a scalar; force is usually indicated as a vector (magnitude in Newton, but the direction is also relevant).