Question

find the current consumed by 100lamps rated for 200 V​

Answer 1

Answer:

Resistance R=V

2

/P=48400/200=242Ω

I

rms

=V

rms

/R=220/242=0.909A

Peak Value of current =I

rms

×

2

2

=0.909×1.414=1.285A

(2)

Power P=V

1

2

/R=200×200/242=165.28W