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What type of a test charge is used by scientists in order to determine the direction of the electric field vector?
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Where do electric field lines point?
The electric field lines are directed away from a positive charge and towards a negative charge so that at any point , the tangent to a field line gives the direction of electric field at that point.
Can electric field intensity be a scalar quantity?
No,because electric field (force/charge) is a vector quantity, i.e. , it has both magnitude as well as direction.
When electric flux is zero then electric field is also zero why?
The electric flux depends on charge, when the charge is zero the flux is zero. The electric field depends also on the charge. Thus when the electric flux is zero , the electric field is also zero for the same reason, zero charge. Phi= integral E.dA= integral zcDdA = zcQ Phi is zcQ and depends on charge Q, as does E.
What is dimensional formula of coulomb?
The Coulomb is a unit of electric charge. [Charge] is a fundamental quantity.
What is an electric charge less than zero?
Compound
What determine the direction of flow of charge?
The direction of flow of charge is determined by the electric field present in a circuit. Charge will flow from areas of higher potential energy to lower potential energy, following the direction of the electric field.
What can you determine from an electric field vector at one point?
From an electric field vector at one point, you can determine the direction of the electric field at that point and the strength of the electric field at that point. The electric field vector gives you information about how a positive test charge would be affected at that specific location in the field.
When determining an electric field must a positive test charge be used or would a negative one do as well?
Either a positive or a negative test charge can be used to determine an electric field. The direction of the electric field will be defined by the force experienced by the test charge, with the positive test charge moving in the direction of the field and the negative test charge moving opposite to the field.
Why we use the positive test charge for determining the electric field?
A positive test charge is used to determine the electric field because its direction of motion will be the same as the direction of the electric field. This allows us to measure the electric force experienced by the test charge and therefore calculate the electric field strength at that point.
Is the direction of the electric force on a charge is tangent to the field line?
No, the direction of the electric force on a charge is along the electric field vector and not necessarily tangent to the field line. The force on a charge will be in the same direction as the electric field if the charge is positive, and opposite if the charge is negative.
If you place a charge into an electric field it will move in the direction indicated by the electric field lines?
Yes, a charge placed in an electric field will experience a force and move in the direction of the electric field lines if it is positive, or opposite to the direction if the charge is negative. The force on the charge is proportional to the charge itself and the strength of the electric field at that location.
A what will move in the direction of the arrows on the electric field lines?
A positive charge will move in the direction of the arrows on the electric field lines. Electric field lines show the direction a positive test charge would move if placed in the field.
What is the direction of the electric field is opposite to that of the force if the charge?
The direction of the electric field is opposite to that of the force if the charge is negative. This is because negative charges experience a force in the direction opposite to the electric field, while positive charges experience a force in the same direction as the electric field.
What will be the movement of charge when enter in a uniform electric field?
When a charge enters a uniform electric field, it will experience a force in the direction of the field if it's positive and in the opposite direction if it's negative. This force will cause the charge to accelerate in the direction of the field lines. The magnitude and direction of the acceleration will depend on the charge of the particle and the strength of the electric field.
Does an electric field have strength but no direction?
No, an electric field has both strength and direction. The strength of the electric field is represented by the magnitude of the electric field vector, while the direction indicates the direction in which a positive test charge would move if placed in the field.
How do you determine the direction of the lines on an electric field diagram?
The direction of the lines on an electric field diagram indicates the direction a positive test charge would move if placed in the field. The lines point away from positive charges and towards negative charges. The density of the lines represents the strength of the electric field at a particular point.
What is the direction of the electric field near a negative charge?
The electric field near a negative charge points radially inward towards the charge.
