Welcome to your work , Energy & power - 5
2.
Electrical power consumed is measured in
3.
The unit used in electricity bills measures
4.
Instantaneous power is given by
5.
Energy released in nuclear reactions is much higher because
6.
A machine does same work in half time. Power becomes
7.
In presence of friction, which energy is conserved?
8.
Thunderstorm energy is about
10.
Most fundamental conservation law here is
11.
Mechanical energy is not conserved when
12.
Flea hop energy is about
13.
Burning 1000 kg coal releases ~
14.
Horsepower is related to watt as
15.
Energy released in a supernova is about
16.
Average power depends on
17.
A body moving at constant speed under friction has power
18.
In a chemical reaction, the mass defect is
19.
Turning this page involves energy of order
20.
Power becomes zero when
21.
Energy from 1 litre petrol is ~
22.
According to E = mc², energy released depends mainly on
24.
Energy equivalent of 1 kg mass is closest to
25.
Energy to break one DNA bond is of order
26.
Law of conservation of energy states that
27.
Which is NOT a unit of energy?
28.
Which conversion occurs in nuclear power plants?
29.
Daily food intake energy of a human is about
30.
Neuron discharge energy is of order
31.
A 1000 W bulb used for 1 hour consumes
32.
A lift moving upward at constant speed has acceleration
33.
One kilowatt-hour equals
34.
Electric bills are charged in
35.
A force acts perpendicular to velocity. Instantaneous power is
36.
Jet aircraft kinetic energy is about
37.
Energy of an electron in atom is about
39.
Large power plant annual output is about
40.
Annual global human energy use is about
41.
A motor lifts load vertically. Power required depends on
42.
Mass–energy equivalence shows that
43.
A body moving in a circular path with constant speed has power
44.
In an isolated system, which quantity remains constant?
45.
Typical nuclear energy is about
