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A parallel plate capacitor is of area 6  and a separation 3mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants =10, =12 and =14. The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be :

(a)

12

(b)

4

(c)

36

(d)

14


Question ID - 50222 | SaraNextGen Answer

A parallel plate capacitor is of area 6  and a separation 3mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants =10, =12 and =14. The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be :

(a)

12

(b)

4

(c)

36

(d)

14

1 Answer - 5876 Votes

3537

Answer Key : (a) -

Let dielectric constant of material used be K.

  + + =

⇒K=12



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