Question
Mon May 07, 2012 By: Priyanka Kumar
 

a parallel plate capacitor is initially charged by battery and the battery is then dissconected. a dielectric slap is introduced between the plated .what changes would you expect in i)charge stored ii) electric field strength iii) capacitance iv) potential difference v ) energy stored vi) energy density

Expert Reply
Wed May 16, 2012
When battery across the plates of charged capacitor is disconnected and dielectric slab is introduced between the plates:
 
i) Charge remains constant.
ii) Electric field strength decreases.
iii) Capacitance increases.
iv) Potantial decreases.
v) Energy stored decreases.
vi) energy density decreases.
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