Electromagnetic Induction
What does an inductor behave like in an LR circuit a very long time after the switch is closed?
An LR circuit has an inductance of 2 H and a resistance of 4 ohms. What is the time constant of this circuit?
Which of the following scenarios best describes the transient behavior of an LR circuit?
Consider a series LR circuit with a battery of emf , a resistor with resistance , and an inductor with inductance . Which of the following equations correctly represents Kirchhoff's loop rule for this circuit?
The graph of current versus time for an LR circuit shows that the current reaches approximately 63% of its maximum value after 2 seconds. If the resistance in the circuit is 10 ohms, what is the inductance?
What is the primary role of a resistor in an LR circuit?
In an LR circuit, a 10-ohm resistor has a current of 2A flowing through it. What is the power dissipated by the resistor?
How are we doing?
Give us your feedback and let us know how we can improve
Given the following LR circuit diagram and component values, which equation represents the Kirchhoff's loop rule?
In an LR circuit, if the inductance is doubled and the resistance is halved, how does the time constant change?
In an LR circuit with a battery voltage of 12V and a resistance of 4 ohms, what is the steady-state current?