Advertisements
Advertisements
प्रश्न
1 kWh = ______ J.
Advertisements
उत्तर
1 kWh = 3.6 × 106 J
APPEARS IN
संबंधित प्रश्न
A coolie X Carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head move the same distance on a frictionless horizontal platform. Who does more work? Explain the reason.
How is kilowatt hour related to joule?
An ox can apply a maximum force of 1000 N. It is taking part in a cart race and is able to pull the cart at a constant speed of 30 ms-1 while making its best effort. Calculate the power developed by the ox.
Name two places in india where electricity is generated from nuclear power plants.
State the condition when a force produces
(i) linear motion.
(ii) rotational motion, in a body.
A man raises a box of mass 50 kg to a height of 2 m in 20s, while another man raises the same box to the same height in 50s. Calculated:
- the work done, and
- the power developed by each man. Take g = 10 N kg-1.
Derive a relation between the S.I. and C.G.S. unit of force.
A coolie carrying a load on his head and moving on a frictionless horizontal platform does no work. Explain the reason why.
For the following scenario, state whether the work done by gravity is positive, negative, or zero.
A person climbs a ladder.
