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Can you find the potential difference when the charge is moving with external force?
Wiki User
∙ 12y ago
ya:-):) because the charge q is proportional to potential difference
Wiki User
∙ 12y ago
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How much energy is expended in moving a 20 coulomb charge through a potential difference of 0.5 volts?
To calculate the energy expended in moving a charge through a potential difference, you can use the formula: Energy (E) = Charge (Q) × Potential Difference (V) Given: Charge (Q) = 20 Coulombs Potential Difference (V) = 0.5 Volts Plugging in the values: E = 20 C × 0.5 V E = 10 Joules Therefore, the energy expended in moving a 20 Coulomb charge through a potential difference of 0.5 Volts is 10 Joules.
Relation between potential difference work done and charge moved?
potential difference is the amount of work done in moving a unit charge from one point to another point. potential difference be V ,work done be J and charge be C.V=J\C
Can we write kerchoff's second law as change in energy is equal to change in potential?
It does not make much difference because potential is the energy utilized to move one coulomb of charge. If energy for moving any amount of charge is considered, then potential term disappears. That is all.
What is the amount of work done in moving a 100nc charge between two points 5 cm apart on an equipotential surface?
An equipotential surface has the same value of potential. Thus, work done would be zero. Work done = Charge X Potential difference
Does a moving car have potential energy?
A moving car can have potential energy. It can be on a hill or a rise. This would give it gravitational potential energy. It can have gasoline, a battery with charge or both. This would give it chemical potential energy.
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 volt?
In terms of heat 1 joule will be used in above condition and in terms of electrical 1 ampere will be used.
What is the difference between potential difference and electromotive force?
They are very similar, but there is one key difference. Both represent the change in energy (per unit charge) that a charged particle would experience if moving between two points. The difference is that a potential difference usually refers to a static situation. In this case, if a charged particle moved from Point A and returned to Point A, the change in potential would be zero. An EMF usually refers to a dynamic situation within a circuit -- ie, a looping conductor. In this case, a charge that went around such a circuit and ended up at its beginning point, would actually experience a change in energy.
What can be converted to energy?
Anything with potential difference could create the flow of energy. A potential difference could be electropotential, chemical potential or potential difference between high and low ground like energy from water fall. A potential difference can exist in the form of motion difference between a stationary and a moving objects.
What is single electrode potential?
An electrode potential is the potential difference that develops when an electrode of one element is placed in a solution containing its ions. In a galvanic cell, electricity is produced by the electrode potential of the two metal electrodes and their corresponding electrolytes.
What does potential diffrence mean?
Potential Difference is the difference in electric potential energy per coulomb of charge at one point of a circuit compared to the charge at another point in a circuit. Potential difference, or voltage, is a way of describing the energy of an electric field without using test charges. In circuits, potential difference is the difference in voltage from one part of a circuit to another. It can also be described by ohms law where the Voltage=Current*Resistance In electrostatics, potential difference is the line integral of the electric field from one point to another with respect to distance.
Why it is not correct to say that potential difference is the work done in moving unit charge between the point concerned?
Voltage is defined as potential difference (units of volts). Work is equivalent to power (over time), and its' unit is joules. Power is equivalent to the potential difference times the current flow. Without current flow, there is no power, so it is incorrect to define potential difference as work. What I think you're implying is potential energy and potential difference are the same: Potential energy of a rock can be increased by raising the rock into the air. The increase of potential energy of the rock is equivalent to the real work done to raise it higher into the air. This is a true statement. Potential energy (joules) and potential difference (volts) are not equivalent, though, since potential differenence is not defined as work.
Why it is not correct to say that the potential difference is the work done in moving charge between the points concerned?
Voltage is defined as potential difference (units of volts). Work is equivalent to power (over time), and its' unit is joules. Power is equivalent to the potential difference times the current flow. Without current flow, there is no power, so it is incorrect to define potential difference as work. What I think you're implying is potential energy and potential difference are the same: Potential energy of a rock can be increased by raising the rock into the air. The increase of potential energy of the rock is equivalent to the real work done to raise it higher into the air. This is a true statement. Potential energy (joules) and potential difference (volts) are not equivalent, though, since potential differenence is not defined as work.
