A camera flash circuit consisting of 3 AA batteries in series, a capacitor and a flash bulb is shown in the figure.The parallel-plate capacitor is made from 2 circular plates with a radius of 0.25cm and separated by a distanceof 1mm. The AA batteries provide a voltage of 1.5V each. While charging thecapacitor, switch A is closed and switch B is open.Ba. What is the capacitance of the capacitor?b. What is the voltage across the capacitor and what is the charge stored on the capacitor when it is fullycharged?c. How much energy is stored on the capacitor when it is fully charged?d. After the capacitors are fully charged, switch A is opened. To use the flash once, you close and then openswitch B. After one flash, the energy is reduced by 50%. What is the voltage across the capacitor after oneflash?e. If you were to add a second (identical) capacitor to the circuit, how would you connect it so that youincrease the total energy available for the flash bulb? Draw your new circuit.Bulb

If the area of the plate is A m2 and the distance between two plate is d m then…

Answered: a. What is the capacitance of the…

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a. What is the capacitance of the capacitor?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A camera flash circuit consisting of 3 AA batteries in series, a capacitor and a flash bulb is shown in the figure.
The parallel-plate capacitor is made from 2 circular plates with a radius of 0.25cm and separated by a distance
of 1mm. The AA batteries provide a voltage of 1.5V each. While charging the
capacitor, switch A is closed and switch B is open.
B
a. What is the capacitance of the capacitor?
b. What is the voltage across the capacitor and what is the charge stored on the capacitor when it is fully
charged?
c. How much energy is stored on the capacitor when it is fully charged?
d. After the capacitors are fully charged, switch A is opened. To use the flash once, you close and then open
switch B. After one flash, the energy is reduced by 50%. What is the voltage across the capacitor after one
flash?
e. If you were to add a second (identical) capacitor to the circuit, how would you connect it so that you
increase the total energy available for the flash bulb? Draw your new circuit.
Bulb

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