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While working on a physics project at school physics lab, you required `4 mu F` capacitor in a circuit across a potential difference of 1 kV. Unfortunately, ` 4 muF` capacitors are out of stock in your lab but ` 2muF` capacitors which can withstand a potential difference of 400 V are available in plenty . If you decide to use the `2 muF` capacitors in place of `4 muF` capacitor , minimum number of capacitors required are

A

16

B

18

C

20

D

12

Text Solution

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The correct Answer is:
2
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While working on a physics project at school physics, lab, you require a 4 mu F capacitor in a circuit across a potential difference of 1 k V. Unfortunately, 4 mu F capacitors are out or stock in your lab but 2 mu F capacitors which can withstand a potential difference of 400 V are available in plenty . if you decide to use the 2 mu F capacitors in place of 4 mu F capacitor minimum number of capacitors required are

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AAKASH INSTITUTE-ELECTROSTATIC POTENTIAL AND CAPACITANCE -ASSIGNMENT (SECTION-A) Objective Type Questions (Only one answer)
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  2. A parallel plate capacitor has capacitance of 1.0 F. If the plates are...

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  3. In an arrangement of two concentric conducting shells, with centre at ...

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  4. Four capacitors are connected as shown in the figure. The equivalent c...

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  5. A parallel -plate capacitor is connected to a battery that maintains a...

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  6. The capacitance of an isolated conducting sphere of radius R is propor...

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  7. In the arrangement shown , find the equivalent capacitance between A ...

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  8. The equivalent capacitance between the points A and B is

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  9. While working on a physics project at school physics lab, you required...

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  10. A capacitor of capacitance C is fully charged by a 200 V battery. It i...

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  11. A parallel plate capacitor with air between the plates has a capacit...

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  12. Three capacitors C(1), C(2) and C(3) are connected to a battery as sh...

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  13. A spherical capacitor has an inner sphere of radius 10 cm and outer sp...

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  14. In the previous question, the potential difference across A is.

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  15. A cylinderical capacitor has two co-axial cylinders of length 20 cm a...

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  16. A spherical conductor having charge q and radius r is placed at the c...

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  17. Condering the situation of the previous question, two experiments wer ...

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  18. In a Van De Graff generator , when a positively charged spherical con...

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  19. A pellet carrying a charge of 0.5 coulomb is accelerated through a pot...

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  20. An infinite number of electric charges each equal to 5 nano coulombs a...

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