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Select correct statements (a) charge c...

Select correct statements
(a) charge cannot be isolated
(b) Repulsion is the sure test to know the presence of charge
( c) Waxed paper is dielectric in paper capacitor
(d) Variable capacitor is used in tuning circuits in ratio.

A

a, b only

B

a, c only

C

a, b, c only

D

b, c, d only

Text Solution

Verified by Experts

The correct Answer is:
D
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-C.U.Q (Capacitors and Capacitance)
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  2. A parallel plate capacitor of capacity C(0) is charged to a potential ...

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  3. Select correct statements (a) charge cannot be isolated (b) Repuls...

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  4. A variable parallel plate capacitor and an electroscope are connected ...

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  5. Three idential capacitors are combined differently. For the same volta...

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  7. Two idential capacitors are joined in parallel, charged to a potential...

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  8. Two parallel plate air capacitors are construted, one by a pair of iro...

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  9. Select correct statement for a capacitor having capacitance C, is conn...

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  10. A number of spherical conductors of different radius have same potenti...

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  11. The electric field (vec( E)) between two parallel plates of a capacito...

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  12. Two condensers of unequal capacities are connected in series across a ...

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  13. A parallel plate capacitor is charged and then isolated. On increasing...

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  14. A parallel plate capacitor is charged by connecting is plates to the t...

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  15. A parallel plate capacitor is charged and the charging battery is then...

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  16. A parallel plate air condenser is charged and then disconnected from t...

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  17. When two identical condensers are connected in series choose the corre...

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  18. Two unequal capacitors, initially uncharged, are connected in series a...

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  19. Which of the following will not increase the capacitance of an air ca...

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  20. In a parallel-plate capacitor, the region between the plates is filled...

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