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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 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 electrostatic force on a test charge of known sign at that point. You can also determine the magnitude of the electrostatic force exerted per unit charge on a test charge at that point.
Is the direction of the electric force on a charge is tangent to the field line?
yes,the direction of electric force on a charge is tangent of field lines.
When determining an electric field must a positive test charge be used or would a negative one do as well?
We could just as well use a negative test charge to determine an electric field, but then the Electric field vector would point opposite the direction of the force on the test charge.
What is the net electric charge if there is a charge 2200 to the right and 5500 down?
Electric charge is a scalar quantity. It doesn't have direction, any more than the charge for a pack of gum or the charge for burglary has direction. Sorry.
What determine the direction of flow of charge?
Electro motive Force(E.M.F) of a battery determine the direction of Flow of Charges.
What are factors that determine the size of the electric potential and electric potential energy?
Mass and Charge
If you place a charge into an electric field it will move in the direction indicated by the electric field lines?
it will occure if the charge is positive, other wise it will move to opposite direction.
Does an electric field have strength but no direction?
It has plenty of direction. The direction of the electric field at any point in it is the direction of the force that would be felt by an infinitesimally small positive charge placed at that point.
A what will move in the direction of the arrows on the electric field lines?
positive charge
In which direction does the electric field point at position directly east of a positive charge?
Yes. The electric field in physics is represented by a vector, it has three components governing the field strength in the up-down, left-right and forward-backwards directions.
What direction does the electric field point at a position directly east of a negative charge?
south
Why electric charge is a scaler quantity?
Current is a scalar if it is given as a scalar - such as 5A. There is no direction connected with this. If it is referenced to a voltage - 5A at 30 degrees lagging the voltage - then it is a vector quantity.
