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Q.1: An RC circuit with a 54.0 V power source is connected to a fluorescent lamp as shown in the Note: Show your work in full to get credit A #: Ac0522odo surc. The lamp L turns on when the voltage across the capacitor reaches 45.0V, which nappens after 0.65 seconds after the switch is closed. If R = 3M2, (a) what is the value o! uie capacitance C? (b) If we must switch the lamps 3 times in a second, what should be the value of capacitance? (c) What is the charge on the capacitor when the lamp just flashes in both the cases? ). value of capacetonce ww R C : 54.0V

Q.1: An RC circuit with a 54.0 V power source is connected to a fluorescent lamp as shown in the Note: Show your work in full to get credit A #: Ac0522odo surc. The lamp L turns on when the voltage across the capacitor reaches 45.0V, which nappens after 0.65 seconds after the switch is closed. If R = 3M2, (a) what is the value o! uie capacitance C? (b) If we must switch the lamps 3 times in a second, what should be the value of capacitance? (c) What is the charge on the capacitor when the lamp just flashes in both the cases? ). value of capacetonce ww R C : 54.0V

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**Note:** Show your work in full to get credit **Q.1:** An RC circuit with a 54.0 V power source is connected to a fluorescent lamp as shown in the figure. The lamp \( L \) turns on when the voltage across the capacitor reaches 45.0 V, which happens after 0.65 seconds after the switch is closed. If \( R = 3 \text{M}\Omega \), (a) what is the value of the capacitance \( C \)? (b) If we must switch the lamps 3 times in a second, what should be the value of capacitance? (c) What is the charge on the capacitor when the lamp just flashes in both the cases? **Diagram Explanation:** The diagram shows an RC circuit consisting of a resistor \( R \), a capacitor \( C \), a switch \( S \), and a 54.0 V power supply connected in series. The fluorescent lamp \( L \) is connected parallel to the capacitor. - **R** is the resistance in the circuit. - **C** is the capacitance, which we need to calculate. - **54.0 V** is the voltage from the power source. - **S** is a switch that controls the connection in the circuit. - **L** flashes when the voltage is sufficient. **Handwritten Note:** - "(a) Value of Capacitance" is noted, referring to the first part of the question.
Transcribed Image Text:**Note:** Show your work in full to get credit **Q.1:** An RC circuit with a 54.0 V power source is connected to a fluorescent lamp as shown in the figure. The lamp \( L \) turns on when the voltage across the capacitor reaches 45.0 V, which happens after 0.65 seconds after the switch is closed. If \( R = 3 \text{M}\Omega \), (a) what is the value of the capacitance \( C \)? (b) If we must switch the lamps 3 times in a second, what should be the value of capacitance? (c) What is the charge on the capacitor when the lamp just flashes in both the cases? **Diagram Explanation:** The diagram shows an RC circuit consisting of a resistor \( R \), a capacitor \( C \), a switch \( S \), and a 54.0 V power supply connected in series. The fluorescent lamp \( L \) is connected parallel to the capacitor. - **R** is the resistance in the circuit. - **C** is the capacitance, which we need to calculate. - **54.0 V** is the voltage from the power source. - **S** is a switch that controls the connection in the circuit. - **L** flashes when the voltage is sufficient. **Handwritten Note:** - "(a) Value of Capacitance" is noted, referring to the first part of the question.
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