Science, asked by abeersharma1245, 9 months ago

1 point
Q 9. An electric iron of
resistance 12 ohm takes a
current of 3 A. Calculate the
heat developed in 20 seconds.
1220 J
O 1840 J
O 2160 J
0 2680 J

Answers

Answered by sminesh662

0

Answer:

2160J

Explanation:

formula=i^2rt

=3^2*12*20

=9*12*20

=2160

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