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I vs V - Varying Intensity

Why does elec...

Question

Why does electric field inside a dielectric decrease when placed in an external field?

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Solution

$E l e c t r i c f i e l d i n t h e d i e l e c t r i c m e d i u m i s g i v e n b y : E = \frac{q}{4 π k ε_{o} r^{2}} w h e r e k i s t h e d i e l e c t i c c o n s \tan t o f t h e m e d i u m . E l e c t r i c f i e l d i s i n v e r s e l y p r o p o r t i o n a l t o t h e d i e l e c t r i c c o n s \tan t o f t h e m e d i u m, t h e r e f o r e e l e c t r i c f i e l d s t r e n g t h d e c r e a s e s i n s i d e t h e d i e l e c t r i c m e d i u m .$

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