Safalta Safalta Exam Preparation Online

user image

Naina Kashyap

other
other
2 years ago
Content Issue Not Relevent Obscene Threatening Wrong Information Other

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

1 Answer
user image

Muskan Anand

2 years ago

The amount of heat (H) produced is given by the joule's law of heating asH= Vlt Where, Current, I = 5 A Time, t = 30 s Voltage, V = Current x Resistance = 5 x 20 = 100 V H= 100 x 5 x 30 = 1.5 x 104 J.

Recent Doubts

Close [x]
Download App for Live stream

Live stream is currently not available on web. Kindly download our app.

Cancel Download

Home

Search

My Course