Quick Answer: Is Vector A Current?

Why current does not follow vector addition?

5 Answers.

To be precise, current is not a vector quantity.

Although current has a specific direction and magnitude, it does not obey the law of vector addition.

The resultant current is less than that obtained in the previous situation..

What is a vector diagram?

Vector diagrams are diagrams that depict the direction and relative magnitude of a vector quantity by a vector arrow. Vector diagrams can be used to describe the velocity of a moving object during its motion. … In a vector diagram, the magnitude of a vector quantity is represented by the size of the vector arrow.

Is angular momentum a force?

Momentum is a vector, pointing in the same direction as the velocity. … Angular momentum is also a vector, pointing in the direction of the angular velocity. In the same way that linear momentum is always conserved when there is no net force acting, angular momentum is conserved when there is no net torque.

Which is tensor quantity?

A tensor is a quantity, for example a stress or a strain, which has magnitude, direction, and a plane in which it acts. Stress and strain are both tensor quantities. … A tensor is a quantity, for example a stress or a strain, which has magnitude, direction, and a plane in which it acts.

Is current a vector or scalar?

Electric current is a scalar quantity. Any physical quantity is termed as a vector quantity when the quantity has magnitude and direction.

Is current a base quantity?

A fundamental quantity must be easy to measure therefore we use electric current as a fundamental quantity instead of charge. … But current is taken to be a fundamental unit, while charge is a derived unit. So current is a base ‘unit’ but not a base ‘quantity’.

Is work a vector?

Work is a scalar because it is the “dot” product of 2 vectors, also called the scalar product. W can also be expressed in terms of the components of the force and displacement vectors. Work is a vector because you multiply a force (a vector) by distance (a vector).

What type of vector is angular momentum?

First, the L vector represents the angular momentum—yes, it’s a vector. Second, the r vector is a distance vector from some point to the object and finally the p vector represents the momentum (product of mass and velocity).

What tensor means?

In mathematics, a tensor is an algebraic object that describes a (multilinear) relationship between sets of algebraic objects related to a vector space. Objects that tensors may map between include vectors and scalars, and even other tensors.

What is a vector in electricity?

What is a vector, and how can we use it in electrical design? According to the “IEEE Standard Dictionary of Electrical and Electronic Terms,” a vector quantity is “any physical quantity whose specification involves both magnitude and direction and that obeys the parallelogram law of addition.”

Is impulse a vector?

Impulse is a vector, so a negative impulse means the net force is in the negative direction. Likewise, a positive impulse means the net force is in the positive direction. People mistake impulse with work. Both impulse and work depend on the external net force, but they are different quantities.

Is distance a vector quantity?

Distance is a scalar quantity that refers to “how much ground an object has covered” during its motion. Displacement is a vector quantity that refers to “how far out of place an object is”; it is the object’s overall change in position.

Is angular momentum conserved?

The conserved quantity we are investigating is called angular momentum. The symbol for angular momentum is the letter L. Just as linear momentum is conserved when there is no net external forces, angular momentum is constant or conserved when the net torque is zero.

What is a tensor vector?

A tensor is a generalization of vectors and matrices and is easily understood as a multidimensional array. … A vector is a one-dimensional or first order tensor and a matrix is a two-dimensional or second order tensor.

Is angular momentum scalar or vector?

Angular momentum is a vector quantity that represents the product of a body’s rotational inertia and rotational velocity about a particular axis. The angular momentum is the product of the moment of inertia and the angular velocity around an axis.

Is current is a tensor quantity?

Current is I=∫A→J⋅d→A, where A is an area and d→A is a directed normal vector to a differential element of A. So, since it is the dot product of two vectors, current is a scalar. … Note, both scalars and vectors are tensors. Scalars are tensors of tank 0, and vectors are tensors of rank 1.

What is the difference between phasor and vector?

Although the both the terms vectors and phasors are used to describe a rotating line that itself has both magnitude and direction, the main difference between the two is that a vectors magnitude is the “peak value” of the sinusoid while a phasors magnitude is the “rms value” of the sinusoid.

Is heat a vector quantity?

Heat is a scalar. It may flow from place to place and that flow can be represented as a vector. … A scalar quantity only has magnitude, whereas a vector quantity has both magnitude and direction. Since specific heat does not have any direction, it is a scalar quantity.

Can electric force negative?

Electric field is not negative. It is a vector and thus has negative and positive directions. An electron being negatively charged experiences a force against the direction of the field. For a positive charge, the force is along the field.

Is Electric a vector charge?

1 Answer. Nothing is a vector until defined with a direction. Electric charge is a scalar quantity because charge never graduated into the level of vectors or tensors that need both magnitude and direction.