Which of the following equations is true for an inductor?

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The image presents a multiple-choice question on electronics. The question asks:

"Which of the following equations is true for an inductor?"

There are four options:

1. \( v(t) = L \, i(t) \)
2. \( v(t) = L \, \frac{di(t)}{dt} \)
3. \( i(t) = L \, \frac{dv(t)}{dt} \)
4. \( i(t) = L \, v(t) \)

Explanation:
- \( v(t) \) represents the voltage across the inductor at time \( t \).
- \( i(t) \) represents the current through the inductor at time \( t \).
- \( L \) is the inductance of the inductor.
- \( \frac{di(t)}{dt} \) is the derivative of current with respect to time, indicating the rate of change of current.
- \( \frac{dv(t)}{dt} \) is the derivative of voltage with respect to time, indicating the rate of change of voltage.

For an inductor, the correct equation is:
\[ v(t) = L \, \frac{di(t)}{dt} \]

This represents the fundamental relationship for inductors, showing that the voltage across an inductor is proportional to the rate of change of current through it.
Transcribed Image Text:The image presents a multiple-choice question on electronics. The question asks: "Which of the following equations is true for an inductor?" There are four options: 1. \( v(t) = L \, i(t) \) 2. \( v(t) = L \, \frac{di(t)}{dt} \) 3. \( i(t) = L \, \frac{dv(t)}{dt} \) 4. \( i(t) = L \, v(t) \) Explanation: - \( v(t) \) represents the voltage across the inductor at time \( t \). - \( i(t) \) represents the current through the inductor at time \( t \). - \( L \) is the inductance of the inductor. - \( \frac{di(t)}{dt} \) is the derivative of current with respect to time, indicating the rate of change of current. - \( \frac{dv(t)}{dt} \) is the derivative of voltage with respect to time, indicating the rate of change of voltage. For an inductor, the correct equation is: \[ v(t) = L \, \frac{di(t)}{dt} \] This represents the fundamental relationship for inductors, showing that the voltage across an inductor is proportional to the rate of change of current through it.
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