MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Heating Effect of Electric Current

How much work...

Question

How much work can be done by $250 c a l$ of heat ?

A

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

1045 e r g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

1045 W

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

1045 J

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $1045 J$
All the heat can be completely converted into work. As per the given unit among the options we get the answer as $250 \times 4.18 J = 1045 J$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Heat supplied to a Carnot engine is

453.6 k c a l

. How much useful work can be done by the engine which works between

10^{o} C

100^{o} C

Q. How much work can be obtained from

100

calories of heat energy?

Q. Calculate the least amount of work that must be done to freeze 1g of water at 0°C by means of refrigerator. Temperature of surroundings is 27°C. How much heat is passed into the surroundings?

Q. A can do a piece of work in 4 days and B can do the same work in 5 days. Find, how much work can be done by them working together in:
(i) one day
(ii) What part of work will be left, after they have worked together for 2 days?

Q. How much work will be done in enlarging the surface area of a soap bubble by

1.0 c m^{2}

?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Heating Effect of Electric Current

PHYSICS

Watch in App

explore_more_icon

Explore more

Heating Effect of Electric Current

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon