MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Heating Effect of Current

A heating coi...

Question

A heating coil has a resistance of $200 Ω$ . At what rate will heat be produced in it when a current of 2.5 A flows through it?

Open in App

Solution

Power = $I^{2} R$

= $2.5 \times 2.5 \times 200$ = 1250 W

= 1250 J / s

Suggest Corrections

thumbs-up

33

Similar questions

Q. An electric heater of resistance

200 Ω

. At what rate will heat be produced in it, when current of

2.5 A

flow through it.

Q. What will be the heat generated in a coil of resistance

50 Ω

, in joule, when a current of

6 A

flows through it for

2

Q. A coil which has a resistance of 4.2

Ω

is immersed into water. If 2A current is flowing through it for 10 min then how much heat will produce in calorie?

(< / = 4.2 J / c a l)

Q. When an electric current flows through a conductor it becomes hot. Why ? List the factor on which the heat produced in a conductor depends. State Joule's law of heating. How will the heat produced in an electric circuit be affected, if the resistance in the circuit is doubled for the same current ?

Q. Calculate heat produced in a

5 Ω

10 s

when a current of

2 A

flows through it?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Heating Effect of Current_Tackle

PHYSICS

Watch in App

explore_more_icon

Explore more

Heating Effect of Current

Standard X Physics

Join BYJU'S Learning Program

CrossIcon