Capacitance Post Quiz
.
- 1.
What is a capacitor?
- A.
It is an electrical component that has the ability to store charge.
- B.
An electrical component that is found in devices such as the iPhone
- C.
An electrical component that reduces or resists electrical current flow
- D.
A and b
Correct Answer
D. A and b -
- 2.
What is the difference between a stylus pen and our nails?
- A.
A stylus pen is made of a conductive material that can transmit an electric field that allows it to make contact whereas our nails are made of keratin which does not conduct electricity.
- B.
A stylus pen is made with resistive material which allows the pen it to interact with the iphone screen whereas our nails are made of keratin which does not conduct electricity.
- C.
All the above
Correct Answer
A. A stylus pen is made of a conductive material that can transmit an electric field that allows it to make contact whereas our nails are made of keratin which does not conduct electricity. -
- 3.
What physical properties would change the overall capacitance of a capacitor?
- A.
Making capacitor plates bigger
- B.
Decreasing the distance between the capacitor plates
- C.
Changing physical properties would not do anything to change how much electrical charge a capacitor can store
- D.
A & B
Correct Answer
D. A & B -
- 4.
What makes the stylus pen advantageous
- A.
Allows users to more correctly pick the letter he/she wants
- B.
Mimics a pen/pencil
- C.
All of the above
- D.
None of the above
Correct Answer
C. All of the above -
- 5.
What kind of electric circuit is involved in an iPhone?
- A.
Series circuit
- B.
Parallel circuit
- C.
Combination of both
Correct Answer
C. Combination of both -
- 6.
Why might Apple have decided on a capacitive screen over a resistive screen despite the fact that it is more costly
- A.
Register only by conductive sources
- B.
Saves more energy (battery life)
- C.
Clearer/brighter screens
- D.
All of the above
Correct Answer
C. Clearer/brighter screens -
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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May 17, 2017Quiz Edited by
ProProfs Editorial Team -
Jun 01, 2015Quiz Created by
Riotbum
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