0
Resistance is due to a property specific resistance of material. In no way resistance depends on the voltage applied. This is the case of ordinary conductor. But in case of semi conductor or insulator there may be chances to get a variation of conductance and hence resistance due to potential applied.
What else can I help you with?
How does the increase or decrease of potential difference affect the flow of the electric current?
Increase or decrease in potential results in the change in direction of the flow of electric current.
Is the potential difference between the terminals of a cell in a circuit fixed or does it depend on the components that are connected in the circuit?
All cells have internal resistance. The value is very small when the cell is fresh. The value increases slightly and slowly as the cell discharges. So the potential difference across the cell will not noticeably change when a load is initially connected. As the cell becomes more discharged, the drop in potential difference upon connecting a load will increase. The point at which the cell is no longer any use depends on the minimum voltage which the load requires, and the current required by it.
Should you increase voltage or resistance to increase flow in a circuit?
To increase (current) flow in a circuit you increase voltage (or decrease resistance). Ohm's Law: Current = Voltage divided by resistance
What is the difference between PTC and NTC resistors?
positive temperature coefficient vs. negative temperature coefficient resistance increases or decreases with increase of temperature, respectively.
Does thickness of a metal affect its electrical resistance?
Metals are conductive, but are not perfect conductors and so they have some electrical resistance. How the resistance of the metal is affected by "thickness" depends on what you mean by thickness. If the electrical current has to flow through a longer piece of metal, then the resistance of the metal to electrical flow would be greater. However, if you take that same length of metal and increase the area of the metal by increasing its "thickness", then the resistance of the metal becomes less.
Why drift velocity increase by increasing potential difference?
Increasing the potential difference across a conductor results in a higher electric field, which exerts a stronger force on the charge carriers (electrons). This causes the electrons to accelerate at a faster rate, increasing their average drift velocity through the conductor.
What are two ways to increase air resistance of an object?
Increasing the surface area of the object, such as by adding flaps or a parachute, can increase air resistance. Additionally, increasing the object's speed will also increase the air resistance acting on it.
Will increasing the conductor thickness increase resistance?
No. A thicker conductor will lower resistance.
Graph of resistance of filament lamp against potential difference?
As potential difference increases in a filament lamp, resistance also increases due to an increase in temperature. The relationship between resistance and potential difference in a filament lamp is non-linear due to the temperature-dependent nature of resistance in the filament material. At low voltages, the resistance is relatively low, but as the temperature of the filament increases with higher voltages, the resistance also increases.
Would increasing the resistance increase electric current?
no
What you will do to raise the temperature difference without changing the current?
To raise the temperature difference without changing the current, you can increase the resistance in the circuit. This can be done by adding additional resistors in series, using a material with higher resistance, or by adjusting the configuration of the circuit to increase the overall resistance. By increasing the resistance, the same current will produce a greater voltage drop across the resistors, resulting in a higher temperature difference.
How does current increase when potential difference increase?
Current increases with an increase in potential difference due to Ohm's Law, which states that current (I) is directly proportional to voltage (V) and inversely proportional to resistance (R): (I = \frac{V}{R}). As the potential difference across a conductor rises, more voltage pushes charge carriers through the circuit, resulting in a higher current, assuming resistance remains constant. This relationship is fundamental in understanding how electrical circuits operate.
What will always increase voltage?
increasing resistance and keeping current constant
How and can you increase the potential energy an object has?
You can increase an object's potential energy by either increasing its height or applying a force in the direction opposite to the field it is in. This applies to gravitational potential energy (increasing height) and elastic potential energy (stretching a spring).
What actions will always increase voltage?
increasing resistance and keeping current constant
How does an open parachute increase the air resistance of a falling?
by increasing surface area
What is the formula for determining potential difference?
The formula for determining potential difference is V = W/q, where V represents potential difference (in volts), W is the work done moving a charge (in joules), and q is the amount of charge moved (in coulombs).
