Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • An electric iron of resistance 20 omega takes a current of 5 A. Calculate the heat developed in 30 s.

   An electric iron of resistance 20 \; \Omega  takes a current of 5 A. Calculate the heat developed in 30 s.

Answers (1)

best_answer

Given :  resistance=R= 20 \; \Omega, TIME =30s    , current =I=5A

              V=IR

          \Rightarrow V=5\times 20=100V

   H=VIt

\Rightarrow H=100\times 5\times 30

\Rightarrow H=15000J=1.5\times 10^4J

Posted by

seema garhwal

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE Date Sheet 2025 Live: CBSE Class 10, 12 board exam timetable soon at cbse.gov.in; practical dates
anam-khan

CBSE Date Sheet 2025 Live: CBSE to announce Class 10, 12 board exam dates soon at cbse.gov.in; sample paper
anam-khan

CBSE Board Exam 2025: Class 10, 12 practical exam dates out at cbse.gov.in; passing marks

Latest Question