Question

Calculate the amount of heat produced per second in calories when a bulb of 100W,220V glows assuming that only 20% of electric energy is converted into light....
who will answer the question i will mark as brainleist....
​

Answer 1

Step-by-step explanation:

Answer :

19.05cal19.05cal

Solution :

Electric energy consumed per second =100J=100J

Heat produced =80%=80100×100=80%=80100×100

=80J=804.2=19.05cal

HOPE THIS HELP YOU

Answer 2

Answer:

this is the answer.....