In the figure, an ac generator with emf E = Em sin ωdt, where Em = 24.0 V and ωd = 378 rad/s, is connected to a 4.02 μF capacitor. (a) What is the maximum value of the current? (b) When the current is a maximum, what is the emf of the generator? (c) When the emf of the generator is - 12.9 V and increasing in magnitude, what is the current?
In the figure, an ac generator with emf E = Em sin ωdt, where Em = 24.0 V and ωd = 378 rad/s, is connected to a 4.02 μF capacitor. (a) What is the maximum value of the current? (b) When the current is a maximum, what is the emf of the generator? (c) When the emf of the generator is - 12.9 V and increasing in magnitude, what is the current?
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In the figure, an ac generator with emf E = Em sin ωdt, where Em = 24.0 V and ωd = 378 rad/s, is connected to a 4.02 μF capacitor. (a) What is the maximum value of the current? (b) When the current is a maximum, what is the emf of the generator? (c) When the emf of the generator is - 12.9 V and increasing in magnitude, what is the current?

Transcribed Image Text:The diagram illustrates an AC circuit containing a capacitor, denoted by the symbol \( C \).
Key components:
1. **AC Voltage Source**: Represented by the circle with a sine wave inside, this is the source of alternating current, indicated by the symbol \( \varepsilon \).
2. **Capacitor (C)**: A two-terminal electrical component that stores energy in an electric field. It is depicted in the circuit as two parallel lines with space in between.
3. **Current (\(i_c\))**: Shown by an arrow pointing downward, this represents the direction of the current flowing through the capacitor.
4. **Voltage (\(v_c\))**: Shown by a double-headed vertical arrow, this indicates the voltage across the capacitor.
This diagram is a simple representation of how a capacitor behaves in an AC circuit, emphasizing the flow of current (\(i_c\)) and the voltage (\(v_c\)) across the capacitor.
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