Question

A 10 cm x 10 cm parallel plate capacitor separated by mica (as dielectric material) of dielectric constant 5.4, is charged with 100 V battery. The separation between the plates is 1.0 mm. The capacitance of the capacitor is:

(i) 1.4 nF

(ii) 0.48 nF

(iii) 0.22 nF

(iv) 2.4 nF

(v) 3.4 nF

For the question above, how many electrons are transferred from one plate to the other plate in the capacitor when it is fully charged?

(i) 8.4 x 10¹¹

(ii) 6.2 x 10¹¹

(iii) 3.0 x 10¹¹

(iv) 5.5 x 10¹¹

(v) 1.4 x 1011

Answer 1