Question

A series RLC circuit with R=300ohms L=1H and c=100micro Farad has a constant voltage of 50v applied toit at t=0.Find the maximum value of the current​

Answer 1

Current in the circuit is given by:

I=

∣Z∣

V

I=

R

2

+(ωL−

ωC

1

)

2

V

I=

300

2

+(60×10

−3

×10

4

−

0.5×10

4

×10

−6

1

)

2

50

I=

300

2

+400

2

50

=

10

1

A

Voltage across capacitor is:

V

c

=IX

c

=

ωC

I

=

10

1

×200=20V