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  • Calculate the energy stored in the capacitor of capacitance 2 μF. The voltmeter gives a reading of 15 V and the ammeter reads 15 mA <img alt="" src="https://cdn.entrance360.com/media/u

Calculate the energy stored in the capacitor of capacitance 2 μF. The voltmeter gives a reading of 15 V and the ammeter reads 15 mA

Option: 1

5 μJ


Option: 2

10 μJ 


Option: 3

0.5 μJ 


Option: 4

Zero


Answers (1)

best_answer

From figure, 

\mathrm{ V_A-V_D=15 \mathrm{~V} \\ }

\mathrm{ \text { and } V_C-V_D=i R \\ }

\mathrm{ =15 \times 10^{-3} \times(1+999)=15 \mathrm{~V} \\ }
\mathrm{ V_A-V_C=15-15=0 \\ }

\mathrm{ \text { Energy stored }=0 }
 

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