Question

For an alternating current with the frequency 50 Hz, the reactance of thecapacitor is 10 ohms. When the frequency is increased to 60 Hz, the reactance ofthe capacitor becomes ohms.​

Answer 1

Answer:

0.9 W

Explanation:

According to the given data , reactance of the capacitance, X

C

=

ωC

1

=

2π×50×10×10

−6

1

=318.5Ω'

Hence , impedence ,Z=

R

2

+X

C

2

=

100

2

+318.5

2

=333.89=334Ω

so, current flowing I

rms

=

Z

V

=

334

100

=0.299=0.30A

average power ,p

av

=I

rms

2

R=0.3

2

×100=0.9W