LRC circuit:what is the voltage of the capacitor when the generator is at maximum vol

In summary, the conversation discusses the process of solving a problem involving V=IR and V(C)=X(C)*R. The person is having trouble with the second question and initially tried finding Z from the frequency, but then realized the correct method by using a triangle in the diagram. There was also a small error in writing V(R) twice in the diagram.
  • #1
okgo
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Homework Statement


http://www.screencast.com/users/trinhn812/folders/Jing/media/cdd8b2f4-1c0d-43ba-8722-fb8b811c5585


Homework Equations



V=IR
V(C)=X(C)*R

The Attempt at a Solution



I'm having trouble with number two. I tried finding Z from the frequency and then calculating the current and mutiplying that by X(C) and got 92.9
 
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  • #2


a little typo is that I wrote V(R) twice in the diagram. The top one is V(L)
 
  • #3


ohhh nvm from looking at the figure I realized how to do it. By using the triangle at the bottom!
 

What is the voltage of the capacitor in an LRC circuit?

The voltage of the capacitor in an LRC circuit depends on several factors, including the capacitance of the capacitor, the inductance of the inductor, and the resistance of the circuit. It also depends on the frequency of the current and the time since the circuit was energized. At any given moment, the voltage of the capacitor can be calculated using the formula V = Q/C, where Q is the charge on the capacitor and C is the capacitance.

How does the voltage of the capacitor change when the generator is at maximum voltage?

When the generator is at maximum voltage, the current in the circuit will be at its peak. This current will charge the capacitor to its maximum voltage, which can be calculated using the formula V = Q/C. The voltage of the capacitor will then gradually decrease as the current decreases and the capacitor discharges.

What is the role of the capacitor in an LRC circuit?

The capacitor in an LRC circuit is used to store electrical energy. It is connected in parallel with the inductor and together they form a resonant circuit. The capacitor is responsible for storing the energy in the circuit and then releasing it back into the circuit as the current changes direction.

How does the voltage of the capacitor affect the behavior of the LRC circuit?

The voltage of the capacitor is a key factor in determining the behavior of an LRC circuit. If the voltage is too low, the capacitor may not be able to store enough energy to sustain the oscillations in the circuit. If the voltage is too high, the capacitor may become damaged or the circuit may become unstable. The voltage of the capacitor must be carefully controlled to ensure proper functioning of the circuit.

What factors can affect the voltage of the capacitor in an LRC circuit?

The voltage of the capacitor in an LRC circuit can be affected by several factors, including the capacitance of the capacitor, the inductance of the inductor, the resistance of the circuit, and the frequency of the current. Additionally, external factors such as temperature and circuit design can also impact the voltage of the capacitor. It is important to carefully consider all of these factors when designing an LRC circuit.

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