A condenser of capacitor 50- F is charged to 10 volt- the energy stored is -

The correct option is B 2.5× 10 ^ 3 J Energy stored in condenser , U=12CV^2=0.5× (50× 10^ 6)× 10^2=2.5× 10^ 3 #160;J ...

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Standard XII

Physics

Energy of a Capacitor

A condenser o...

Question

A condenser of capacitor $50 μ F$ is charged to 10 volt, the energy stored is :

5 \times 10^{- 3} J

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2.5 \times 10^{- 3} J

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3.75 \times 10^{- 3} J

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1.25 \times 10^{- 3} J

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Solution

The correct option is B $2.5 \times 10^{- 3} J$
Energy stored in condenser ,
$U = \frac{1}{2} C V^{2} = 0.5 \times (50 \times 10^{- 6}) \times 10^{2} = 2.5 \times 10^{- 3} J$

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A condenser of capacitor 50μF is charged to 10 volt, the energy stored is :

The correct option is B 2.5×10−3JEnergy stored in condenser ,U=12CV2=0.5×(50×10−6)×102=2.5×10−3J

A condenser of capacitor $50 μ F$ is charged to 10 volt, the energy stored is :

The correct option is B $2.5 \times 10^{- 3} J$
Energy stored in condenser ,
$U = \frac{1}{2} C V^{2} = 0.5 \times (50 \times 10^{- 6}) \times 10^{2} = 2.5 \times 10^{- 3} J$