Questions
A circuit element is placed in a closed box. At time t = 0, a constant current generator supplying a current of 1A is connected across the box. Potential difference across the box varies according to the graph shown in figure. The element in the box is
detailed solution
Correct option is D
For a capacitor, V=QC=∫0tI dtC=ItC ∴ C=ItV = 1 × 38−2 F=0.5FTalk to our academic expert!
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A vessel is half filled with a liquid of refractive index μ. The other half of the vessel is filled with an immiscible liquid of refractive index 1.5 μ. The apparent depth of vessel is 50% of the actual depth. The value of μ is
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