What is the difference between voltage across and voltage drop in the resistor?

It is the voltage appearing through a resistance, equal to the resistance multiplied by the current, according to the law of the ohms. yes, there is no difference, both are the same parameters expressed in different terms. in any circuit, the voltage drop of a resistor corresponds to the voltage across the resistor only.

What is voltage drop across a resistor?

  • The voltage drop is the amount of voltage by which the voltage across the load resistor is less than the source voltage.
  • voltage across the resistor means the potential difference between the node of the resistor … .and the voltage depends on the voltage loss due to the internal resistance of the resistor. The ohms law indicates that the voltage drop is proportional to the resistance.
  • voltage across a resistor is the potential difference between the source any point in the circuit.
  • The voltage drop is the potential difference between any two points. this drop can be caused by a resistor, an inductor or a capacitor (in case of alternating current) or may be due to another reason as well.

Resistance is one of the only reasons for the voltage drop. it is caused by a flow of current. and the voltage drop is the reason for the current flow ! the voltage across the resistor is therefore due to the current flowing through it.

The difference of potential is the difference of potential between two different points in an electric circuit. generally sources are higher potential and lower potential loads. so the potential difference will give the source voltage.

where the potential drop is the voltage drop due to the resistance or impedance offered by the loads. it depends on the amount of current flowing through the loads.

Both quantities have the same unit of volts, but the potential drop can not be mentioned as voltage.

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