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  • A resistance R and a capacitor C are connected in series to an ac source (a) Obtain the expression for the ins

A resistance R and a capacitor C are connected in series to an ac source V = V_{0} \sin \omega t.

(a) Obtain the expression for the instantaneous current (I) in the circuit.

(b) Show graphically variations of V and I as a function of \omega t.

 

 

 
 
 
 
 

Answers (1)

a)

I_0=\frac{V _0}{\sqrt{R^2+X_C^2}}

Instantaneous current

I=I_0sin(wt+\phi)

In RC series circuit the current leads the voltage by an angle \phi

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Safeer PP

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