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QPage 164: Q8: HC Verma: Concepts of Physics - Volume 2 Capacitors Page 164: Q8 Solution: A thin metal plate is inserted between the plates of a…

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often treat the inserted metal plate as a dielectric or as two capacitors in series, reducing the effective capacitance. In reality the plate touches both electrodes, directly shorting them, so the voltage across the plates is forced to zero and the capacitance tends to infinity; remember a conductor connecting the plates eliminates the separation, not halves it.

A thin metal plate PP is inserted between the plates of a parallel-plate capacitor of capacitance CC in such a way that its edges touch the two plates. The capacitance now becomes _______.

Multiple Choice Options

  • A C/2C/2
  • B 2C2C
  • C 0
  • D ∞\infty

Step-by-Step Verified Solution

**Answer:** (d) �. **Step-by-Step Explanation:** The metal plate connects the two plates, shorting the capacitor. The capacitance becomes infinite.

All Questions in this Chapter

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