Questions
Between the plates of a parallel plate condenser a plate of thickness and dielectric constant is placed. In the rest of space there is another plate of thickness and dielectric constant . The potential difference across the condenser will be
detailed solution
Correct option is A
Potential difference across the condenserV=V1+V2=E1t1+E2t2=σK1ε0t1+σK2ε0t2 ⇒V=σε0t1K1+t2K2=QAε0t1K1+t2K2Talk to our academic expert!
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The plates of parallel plate capacitor are charged upto 100 V. A 2 mm thick plate is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by 1.6 mm. The dielectric constant of the plate is
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