## Grouping of Capacitors- MCQ-Basic

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of 10 Basic Level Questions on Grouping of Capacitors.You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. Three capacitors each of capacity 4Î¼F are to be connected in such a way that the effective capacitance is 6Î¼F. This can be done by

•  Connecting them in parallel
•  Connecting two in series and one in parallel
•  Connecting two in parallel and one in series
•  Connecting all of them in series

Connecting two in series and one in parallel

Q2. A 0.2 Î¼F capacitor is charged to 600 V. After removing it from battery it is connected to another capacitor of 1Î¼F in parallel. The voltage on the capacitor will become

•  300 V
•  600 V
•  100 V
•  120 V

100 V

Q3. If there are n -capacitors in parallel connected to V volt source, then the energy stored is equal to

•  CV
•  nCV2/2
•  CV2
•  CV2/2n

nCV2/2

Q4. Two capacitors of 1Î¼F and 2Î¼F are connected in series, the resultant capacitance will be

•  4 Î¼F
•  2/3 Î¼F
•  3/2 Î¼F
•  3 Î¼F

2/3 Î¼F

Q5. A capacitor of 10Î¼F charged up to 250 volts is connected in parallel with another capacitor of 5Î¼F charged up to 100 volts. The common potential is

•  500 V
•  400 V
•  300 V
•  200 V

200 V

Q6. A 20 F capacitor is charged to V5 and isolated. It is then connected in parallel with an uncharged 30 F capacitor. The decrease in the energy of the system will be

•  25 J
•  200 J
•  125 J
•  150 J

150 J

Q7. Two condensers of capacity 0.3 Î¼F and 0.6 Î¼F respectively are connected in series. The combination is connected across a potential of 6 volts. The ratio of energies stored by the condensers will be

•  1/2
•  2
•  1/4
•  4

2

Q8. Three identical capacitors are combined differently. For the same voltage to each combination, the one that stores the greatest energy is

•  Two in parallel and the third in series with it
•  Three in series
•  Three in parallel
•  Two in series and third in parallel with it

Three in parallel

Q9. Minimum number of capacitors of 2 Î¼F capacitance each required to obtain a capacitor of 5 Î¼F will be

•  Three
•  Four
•  Five
•  Six

Four

Q10. Two capacitors each of capacity 2 Î¼F are connected in parallel. This system is connected in series with a third capacitance of 12 Î¼F capacity. The equivalent capacity of the system will be

•  16 Î¼F
•  13 Î¼F
•  4 Î¼F
•  3 Î¼F

3 Î¼F

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