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प्रश्न
A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will
विकल्प
increase
decrease
remain unchanged
become zero
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उत्तर
remain unchanged
The force between the plates is given by `F = q^2/(2∈_0A)` Since the capacitor is isolated, the charge on the plates remains constant. We know that the charge is conserved in an isolated system. Thus, the force acting between the plates remains unchanged.
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