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 Class 10 toppers reveal preparation strategy, tips to score high in term 2 exams
anam-khan

CBSE Class 10 Results 2026: Atal Residential Schools record 93.15% pass rate; Varanasi, Prayagraj achieve 100%
anam-khan

Class 10 CBSE Toppers: 55,368 score 95% or above; no merit list but these students have excelled

Latest Question