Physics, asked by shashank7526, 10 months ago

What is the net current drawn by the parallel combination of tube light, electric bulb (or lamp) and the radio

set when connected with 220 V power supply.

Answers

Answered by shivam018

ANSWER: 0.8181 Ampere

Also calculated the total resistance.

Explanation is in the attachment.

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Attachments:

Answered by yashaswi084

Answer:9.35W

Explanation:

Resistance of 100Wbulb=200

=2/100=400ohms

Resistance of 60Wbulb=200

=2/60=666.67ohms

Resistance of 40Wbulb=200

=2/40=1000ohms

Therefore, total resistance in series =(400+666.67+1000)=2066.67ohms

Current in the circuit =200/2066.67=0.0967A

Therefore, actual power consumed by “40W”bulb=0.0967

=2 x 1000=9.35W (much lesser than any of the original)

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