A 12V battery is connected to a capacitor, resulting in 54.0  C of charge stored on the capacitor.  How much energy is stored in the capacitor?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter25: Capacitance And Dielectrics
Section: Chapter Questions
Problem 10P: Three capacitors are connected to a battery as shown in Figure P25.10. Their capacitances are C1 =...
icon
Related questions
Question

A 12V battery is connected to a capacitor, resulting in 54.0  C of charge stored on the capacitor.  How much energy is stored in the capacitor?

 

An electric heater carries a current of 13.5A when operating at a voltage of 120V.  What is the resistance of the heater?

Many computer keyboard buttons are constructed of capacitors as shown in Figure. When a key
is pushed down, the soft insulator between the movable plate and the fixed plate is compressed.
When the key is pressed, what happens to the capacitance?
B
Key-
Movable plate-
Insulator
Fixed plate
One type of computer keyboard
button.
a. It increases
b. It idecreases
It changes in a way you cannot determine because the electric circuit connected to the
keyboard button may cause a change in DV
C.
d. Nothing happened
Transcribed Image Text:Many computer keyboard buttons are constructed of capacitors as shown in Figure. When a key is pushed down, the soft insulator between the movable plate and the fixed plate is compressed. When the key is pressed, what happens to the capacitance? B Key- Movable plate- Insulator Fixed plate One type of computer keyboard button. a. It increases b. It idecreases It changes in a way you cannot determine because the electric circuit connected to the keyboard button may cause a change in DV C. d. Nothing happened
QUESTION 7
A 12V battery is connected to a capacitor, resulting in 54.0 µ C of charge stored on the
capacitor. How much energy is stored in the capacitor?
a. 32.4x10-4J
а.
O b. 324J
O c. 0.324mJ
O d. 3.24mJ
QUESTION 8
An electric heater carries a current of 13.5A when operating at a voltage of 120V. What is the
resistance of the heater?
O a. 0.1125 Ohm
O b. 4.5 Ohm
c. 9 Ohm
d. 11.25 Ohm
Transcribed Image Text:QUESTION 7 A 12V battery is connected to a capacitor, resulting in 54.0 µ C of charge stored on the capacitor. How much energy is stored in the capacitor? a. 32.4x10-4J а. O b. 324J O c. 0.324mJ O d. 3.24mJ QUESTION 8 An electric heater carries a current of 13.5A when operating at a voltage of 120V. What is the resistance of the heater? O a. 0.1125 Ohm O b. 4.5 Ohm c. 9 Ohm d. 11.25 Ohm
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Combination of resistance
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Physics for Scientists and Engineers with Modern …
Physics for Scientists and Engineers with Modern …
Physics
ISBN:
9781337553292
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics Volume 2
University Physics Volume 2
Physics
ISBN:
9781938168161
Author:
OpenStax
Publisher:
OpenStax
Physics for Scientists and Engineers: Foundations…
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning