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The electric potential at a point is defined as the amount of work done in bringing a unit positive charge from infinity to that point. You may wonder what the hell is infinity. It is not practically possible.
Q 1. Define the term electric potential. State its S.I. Unit. View Solution. Q 2. How is the electric potential difference between the two points defined ? State its S.I. unit. View Solution. Q 3.
The electric potential at a point is equal to the work done by external force in bringing the unit positive charge from infinity to a point inside the electric field without changing the kinetic energy. Was this answer helpful? Define the term electric potential. State its S.I. Unit.
The potential difference is expressed in volt (V). The potential difference between two points is said to be 1 volt if the work is done in moving 1-coulomb charge from one point to other is 1 joule. 1 volt= 1 joule/ 1 coulomb. Unit for measuring the potential difference is volt and instrument used for measuring potential difference is a voltmeter.
Define electric potential and potential difference. An electric potential (also called the electric field potential or the electrostatic potential) is the amount of electric potential energy that a unitary point electric charge would have if located at any point in space. Potential Difference: Difference in electric potential between two points ...
Thus, electrostatic potential at any point of an electric field is the potential energy per unit charge at that point. Electric potential is represented by letter V. V=U/q’ or U=q’V (6) S.I. unit of electric potential is Volt which is equal to Joule per Coulomb. Thus, we have: 1 Volt = 1 JC -1. In equation 4 if we divide both sides by q ...
Solution: For this we have to rearrange the formula to find the electric potential. ΔU = UB – UA. ΔU = qVB – aVA → VB ΔU+aVA q. Now, the charge is in terms of micro Coulombs (μC) : 1.0 μC = 1.0 × 10−6 C. Also, the charge needs to be converted in correct unit before solving the question: VB = ΔU+aVA q.
The electric potential is the work per unit of charge required to move a charge from a reference point to a specified point. It is measured in j o u l e / c o u l o m b or v o l t s . It is also define as the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field.
Write the definition of electric potential. Calculate the electric potential due to a point charge Q at a distance r from it. Draw a graph between electric potential V and distance r for a point charge Q.
It is denoted by U. U = W = q V (r) (a) Electric potential energy of system of two charges: Suppose two charges + q 1 and + q 2 are situated at a distance r. We have to find out the electrical potential energy of this system. When the charge q 1 is brought from infinity to in its position, no work is done because there is no other charge to ...
