Topic 2: Capacitor and dielectric (2nd hour)

Topic 2: Capacitor and dielectric (2nd hour)

12th Grade

10 Qs

quiz-placeholder

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Topic 2: Capacitor and dielectric (2nd hour)

Topic 2: Capacitor and dielectric (2nd hour)

Assessment

Quiz

Physics

12th Grade

Medium

Created by

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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