What is the current I (t) in the circuit at time after the switch is closed? Express your answer in terms of go, L, C, and other variables given in the introduction. ▸ View Available Hint(s) 1 (t) = Submit Previous Answers 90¹ LC x Incorrect; Try Again; 4 attempts remaining ▾ Part D Recall that the top plate of the capacitor is positively charged at t=0. Once the switch is closed, the current will start to increase. In what direction will this current go? There is no current because there cannot be any current through the capacitor. Oclockwise Part E counterclockwise Submit Request Answer Immediately after the switch is closed, what is the direction of the EMF in the inductor? (Recall that the direction of the EMF in the inductor refers to the direction of the back-current or the induced electric field in the inductor.) There is no EMF in the inductor until the current reaches its maximum. Oclockwise Ocounterclockwise

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Oscillations in an LC circuit.
Learning Goal:
To understand the processes in a series circuit containing only an inductor and
a capacitor.
Consider the circuit shown in the figure. (Figure 1)
This circuit contains a capacitor of capacitance C and an inductor of
inductance L. The resistance of all wires is considered negligible.
Figure
+90
-90
1 of 1
Part C
What is the current I (t) in the circuit at time t after the switch is closed?
Express your answer in terms of go, L, C, and other variables given in the introduction.
▸ View Available Hint(s)
I (t)
Submit
Part D
He
Part E
90 t
LC
x Incorrect; Try Again; 4 attempts remaining
Submit
Recall that the top plate of the capacitor is positively charged at t = 0. Once the switch is closed, the current will start to increase. In what direction will this current go?
Previous Answers
clockwise
Be
There is no current because there cannot be any current through the capacitor.
counterclockwise
Submit
Ű E ?
Request Answer
clockwise
There is no EMF in the inductor until the current reaches its maximum.
counterclo
Immediately after the switch is closed, what is the direction of the EMF in the inductor? (Recall that the direction of the EMF in the inductor refers to the direction of the back-current or the
induced electric field in the inductor.)
Request Answer
<
13 of 15
Review I
Constants
Transcribed Image Text:Oscillations in an LC circuit. Learning Goal: To understand the processes in a series circuit containing only an inductor and a capacitor. Consider the circuit shown in the figure. (Figure 1) This circuit contains a capacitor of capacitance C and an inductor of inductance L. The resistance of all wires is considered negligible. Figure +90 -90 1 of 1 Part C What is the current I (t) in the circuit at time t after the switch is closed? Express your answer in terms of go, L, C, and other variables given in the introduction. ▸ View Available Hint(s) I (t) Submit Part D He Part E 90 t LC x Incorrect; Try Again; 4 attempts remaining Submit Recall that the top plate of the capacitor is positively charged at t = 0. Once the switch is closed, the current will start to increase. In what direction will this current go? Previous Answers clockwise Be There is no current because there cannot be any current through the capacitor. counterclockwise Submit Ű E ? Request Answer clockwise There is no EMF in the inductor until the current reaches its maximum. counterclo Immediately after the switch is closed, what is the direction of the EMF in the inductor? (Recall that the direction of the EMF in the inductor refers to the direction of the back-current or the induced electric field in the inductor.) Request Answer < 13 of 15 Review I Constants
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