In a circuit with an inductor, what happens to the current when the voltage is s

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Question: In a circuit with an inductor, what happens to the current when the voltage is suddenly increased? (2020)

Options:

Correct Answer: Increases gradually

Exam Year: 2020

Solution:

In a circuit with an inductor, the current increases gradually due to the inductor\'s opposition to changes in current.

In a circuit with an inductor, what happens to the current when the voltage is suddenly increased? (2020)

In a circuit with an inductor, what happens to the current when the voltage is suddenly increased? (2020)

Step 1: Understand that an inductor is a component in a circuit that stores energy in a magnetic field when current flows through it.
Step 2: Recognize that when the voltage in the circuit is suddenly increased, it creates a change in the current.
Step 3: Know that the inductor opposes this sudden change in current because it wants to maintain the current flow that was already present.
Step 4: Realize that instead of the current increasing immediately, it will increase gradually over time as the inductor allows more current to flow.
Step 5: Conclude that the inductor slows down the rate of change of current due to its property of opposing changes.

Inductance – Inductors resist changes in current, causing a gradual increase in current when voltage is suddenly increased.
Lenz's Law – The direction of induced current opposes the change in voltage, affecting how quickly current can change.