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Questions and Answers
What happens to the voltage across the inductor just before the switch opens?
What happens to the voltage across the inductor just before the switch opens?
- It becomes zero. (correct)
- It reaches a constant value.
- It is equal to the current through the resistor R(0).
- It doubles in magnitude.
How does the inductor behave just before the switch opens?
How does the inductor behave just before the switch opens?
- Like an open circuit.
- Like a voltage source.
- Like a capacitor.
- Like a short circuit. (correct)
What happens to the source current I(s) just before the switch opens?
What happens to the source current I(s) just before the switch opens?
- It decreases to zero.
- It flows through resistor R.
- It splits into two branches.
- It appears entirely in the inductive branch. (correct)
What is the initial state of the resistor R(0) just before the switch opens?
What is the initial state of the resistor R(0) just before the switch opens?
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When does the inductor begin releasing energy?
When does the inductor begin releasing energy?
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What quantities do we find to determine the natural response of an RL circuit after the switch opens?
What quantities do we find to determine the natural response of an RL circuit after the switch opens?
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