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A. CAPACITOR FOR A CAMERA FLASH A capacitor is used in a typical flash for a “point-and-shoot” camera. The figure shows a circuit for a camera flash, where a 1.5V cell battery is charging the 2000 µF capacitor. When a flash is required the energy stored in the capacitor is made to discharge through a discharge tube in 0.001 s, giving a powerful flash. Problem Solving: a) If we change the battery into a 5.0V cell, instead of using 1.5V cell, how much energy will be stored in the capacitor? b) If the flash lasts for about 0.001 s, what is the power delivered by the capacitor during this brief time? c) If the dielectric used in the capacitor were a 0.010-mm-thick sheet of Strontium titanate (k=234), what would be the surface area of the capacitor plates?

A. CAPACITOR FOR A CAMERA FLASH A capacitor is used in a typical flash for a “point-and-shoot” camera. The figure shows a circuit for a camera flash, where a 1.5V cell battery is charging the 2000 µF capacitor. When a flash is required the energy stored in the capacitor is made to discharge through a discharge tube in 0.001 s, giving a powerful flash. Problem Solving: a) If we change the battery into a 5.0V cell, instead of using 1.5V cell, how much energy will be stored in the capacitor? b) If the flash lasts for about 0.001 s, what is the power delivered by the capacitor during this brief time? c) If the dielectric used in the capacitor were a 0.010-mm-thick sheet of Strontium titanate (k=234), what would be the surface area of the capacitor plates?

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 2PA: You are working in an industrial plant. You have been instructed to double the capacitance connected...
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A. CAPACITOR FOR A CAMERA FLASH

A capacitor is used in a typical flash for a “point-and-shoot” camera. The figure shows a circuit for a camera flash, where a 1.5V cell battery is charging the 2000 µF capacitor. When a flash is required the energy stored in the capacitor is made to discharge through a discharge tube in 0.001 s, giving a powerful flash.

Problem Solving:

a) If we change the battery into a 5.0V cell, instead of using 1.5V cell, how much energy will be stored in the capacitor?

b) If the flash lasts for about 0.001 s, what is the power delivered by the capacitor during this brief time?

c) If the dielectric used in the capacitor were a 0.010-mm-thick sheet of Strontium titanate (k=234), what would be the surface area of the capacitor plates?

A. CAPACITOR FOR A CAMERA FLASH Switch A capacitor is used in a typical flash for a "point- and-shoot" camera. The figure shows a circuit for a camera flash, where a 1.5V cell battery is charging the 2000 µF capacitor. When a flash is required, the energy stored in the capacitor is made to discharge through a discharge tube in 0.001 s, giving a powerful flash. Discharge Tibe 1.5V 2,000 pF Figure 3. A schematic diagram for a camera flash circult. Illustrated by Marc Christian Perez Problem Solving: Directions. Read each statement then perform the tasks that follow. Write your computation on the space provided and box your final answer. a) If we change the battery into a 5.0V cell, instead of using 1.5V cell, how much energy will be stored in the capacitor? b) If the flash lasts for about 0.001 s, what is the power delivered by the capacitor during this brief time? CR Uncs c) If the dielectric used in the capacitor were a 0.010-mm-thick sheet of Strontium titanate (k=234), what would be the surface area of the capacitor plates? EUCATION
Transcribed Image Text:A. CAPACITOR FOR A CAMERA FLASH Switch A capacitor is used in a typical flash for a "point- and-shoot" camera. The figure shows a circuit for a camera flash, where a 1.5V cell battery is charging the 2000 µF capacitor. When a flash is required, the energy stored in the capacitor is made to discharge through a discharge tube in 0.001 s, giving a powerful flash. Discharge Tibe 1.5V 2,000 pF Figure 3. A schematic diagram for a camera flash circult. Illustrated by Marc Christian Perez Problem Solving: Directions. Read each statement then perform the tasks that follow. Write your computation on the space provided and box your final answer. a) If we change the battery into a 5.0V cell, instead of using 1.5V cell, how much energy will be stored in the capacitor? b) If the flash lasts for about 0.001 s, what is the power delivered by the capacitor during this brief time? CR Uncs c) If the dielectric used in the capacitor were a 0.010-mm-thick sheet of Strontium titanate (k=234), what would be the surface area of the capacitor plates? EUCATION
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