An electric iron of resistance takes a current of 5 A. Calculate the heat developed in 30 s.
Given : resistance=R= , TIME =30s , current =I=5A
CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional
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