Derivative of current and voltage

[Jhenrique]

Exist some physical quantity for the derivative of the current wrt time? Exist another too for the derivative of the voltage wrt time?

 

[willem2]

Exist some physical quantity for the derivative of the current wrt time? Exist another too for the derivative of the voltage wrt time?

In an inductor dI/dt = V/L and in a capacitor dV/dt = I/C

 

[phinds]

Exist some physical quantity for the derivative of the current wrt time? Exist another too for the derivative of the voltage wrt time?

This is a meaningless question. Current is a function of what is happening in the circuit and so is voltage. You have to find the equations for the current and voltage and then, sure, you can take the derivative. You have not specified any conditions, so there is nothing to take a derivative OF.

As Jhenrique pointed out, for the very limited cases of an inductor and a capacitor there are specific relationships among voltage/current/inductance and voltage/current/capacitance

 

[Jhenrique]

I don't know how the americans speak "grandeza física" (pt-br) in english. "Grandeza física" for me is: area A, volume V, voltage v, force F, work W, power P, velocity v, acceleration a, etc, etc. I think that the translate is "physical quantity". Anyway... the first derivative of the carge q(t) wrt time t results the current i(t), so, the 2nd derivative results another "physical quantity" ?(t) ?

Similarly, dΦ/dt = v(t), so d²Φ/dt² = ?(t)

 

[sardar]

The derivative of current with respect to time is known as the rate of change of current, or the current's time derivative. This quantity is important in understanding the behavior of electric circuits and is often used in analyzing transient effects.

Similarly, the derivative of voltage with respect to time is known as the rate of change of voltage, or the voltage's time derivative. This quantity is also important in understanding the behavior of electric circuits, particularly in analyzing the response to varying inputs.

In both cases, the derivative with respect to time is a physical quantity that represents the rate of change of the respective electrical quantity. It can be measured experimentally and is crucial in understanding the dynamics of electric circuits.