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Value of dielectric constant of metal is...

Value of dielectric constant of metal is.......

A

zero

B

1

C

any value greater than 1

D

infinite

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Define dielectric constant.

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A parallel plate capacitor is made of two dielectric blocks in series. One of the blocks has thickness d_(1) and dielectric constant k_(1) and the other has thickness d_(2) and dielectric constant k_(2) as shown in figure. This arrangement can be thought as a dielectric slab of thickness d = ( d_(1) + d_(2) ) and effective dielectric constant k. The k is ...... (a) (K_(1)d_(1)+K_(2)d_(2))/(d_(1)+d_(2)) (b) (K_(1)d_(1)+K_(2)d_(2))/(K_(1)+K_(2)) (c) (K_(1)K_(2)(d_(1)+d_(2)))/((K_(1)d_(2)+K_(2)d_(1))) (d) (2K_(1)K_(2))/(K_(1)+K_(2))

Value of dielectric strength of air is……… Vm^-1

What is dielectric?

A parallel plate capacitor is to be designed using a dielectric of dielectric constant 5, so as to have a dielectric strength of 10^(9) Vm^(-1) . If the voltage rating of the capacitor is 12 kV, the minimum area of each plate required to have a capacitance of 80 pF is .........

KUMAR PRAKASHAN-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Section D ( Multiple Choice Questions (MCQs) )
  1. Uniformly polarised dielectric has ...... of induced charge.

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  2. C^(2)mN^(-1) is unit of ...... .

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  3. Value of dielectric constant of metal is.......

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  4. Which of the following atoms has permanent electric dipole moment zero...

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  5. Which of the following atoms behave as polar dielectric ?

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  6. The charge 3.0 xx 10^(-5) C are placed on a metal sphere of radius 3....

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  7. A parallel plate capacitor is charged and then isolated. Now a dielect...

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  8. A parallel plate capacitor is charged with a battery and then separate...

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  9. Which of the following one, the capacitance of parallel plate capacito...

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  10. Which of the following equation doesn't represent energy of charged ca...

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  11. Energy stored in capacitor is in the form of ......

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  12. Two plates of parallel plate capacitor are joined inside with metal ro...

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  13. There are 10 capacitors. each of capacitance 10 muF. The ratio of maxi...

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  14. The capacitance of a parallel capacitor is 5muF. When glass slab inser...

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  15. If equivalent capacitance of given circuit is 15 mu F then C = .........

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  16. Capacitance of spherical capacitor is 1 muF, so its diameter = ..........

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  17. By increasing the charge on the plate of capacitor .......... .

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  18. In the figure below the capacitance of ever capacitor is 3 muF. Find t...

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  19. 27 small drops of water having same chargt and same radius are combine...

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  20. If the charge on capacitor is increased by 5C, the energy stored in th...

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