
Topic 2: Capacitor and dielectric (2nd hour)

Quiz
•
Physics
•
12th Grade
•
Medium
NAZLINA Hameed
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. The capacitance of a parallel-plate capacitor is
proportional to the charge stored
proportional to the plate area
proportional to the potential difference of the plates
to the plate separation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Capacitance, C of a parallel-plate capacitor is
inversely proportional to the area, A of its plates
proportional to the plate separation, d
did not depends on type of dielectric insert between 2 plates
none of above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Dielectric is defined as a _____________ material placed between the plates of a capacitor.
Conducting
non-conducting
non-insulating
combination of conducting and insulating
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. The advantages of inserting the dielectric between the plates of the capacitor are
decrease in capacitance
increase in capacitance
decrease in maximum operating voltage
increase the electric field
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. _____________ is defined as ratio of permittivity of dielectric material, ℇ and permittivity of free space, ℇo.
Dielectric constant
Time constant
Capacitance
Dielectric
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. If both the plate area and the plate separation of a parallel-plate capacitor are doubled, the capacitance is:
doubled
halved
unchanged
tripled
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the plates must
increase
decrease
remain constant
either increase or decrease. There is no way to tell from the information given.
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