Consider the following processes:
1. Wind rotates the blades of the windmill.
2. Electrical energy produced.
3. Turbine rotates.
4. Blowing of wind.
Which of the following predicts the correct order of events?

1-2-3-4

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4-3-2-1

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4-1-3-2

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3-2-1-4

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Solution

The correct option is C 4-1-3-2
The blowing wind hits the blade of the windmill and rotates them. The blade, in turn, rotates the turbine which produces electricity. Thus the correct sequence of operations is 4-1-3-2.

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Similar questions

Consider the following processes:
1. Wind rotates the blades of the windmill
2. Electrical energy produced
3. Turbine rotates
4. Blowing of wind
Which of the following predicts the correct order of events?

Q. Question 14
Choose the incorrect statement regarding wind power.

(a) It is expected to harness wind power to minimum in open space.
(b) The potential energy content of wind blowing at high altitudes is the source of wind power.
(c) Wind hitting at the blades of a windmill causes them to rotate The rotation thus achieved can be utilised further.
(d) One possible method of utilising the energy of rotational motion of the blades of a windmill is to run the turbine.

Q. In a particular engine, electricity is used to heat water into steam, which in turn rotates the blades of the turbine. The correct order of energy transformation is:

The minimum speed of wind necessary for a small windmill to rotate and produce electricity is

Q. The blades of a windmill sweep out a circle of area A.
(a) If the wind flows at a velocity v perpendicular to the circle, what is the mass of the air passing through it in time t?
(b) What is the kinetic energy of the air?
(c) Assume that the windmill converts 25% of the winds energy into electrical energy, and that A = 30

m^{2}

, v = 36 km/h and the density of air is 1.2 kg

m^{3}

. What is the electrical power produced?

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Consider the following processes: 1. Wind rotates the blades of the windmill. 2. Electrical energy produced. 3. Turbine rotates. 4. Blowing of wind. Which of the following predicts the correct order of events?

The correct option is C 4-1-3-2The blowing wind hits the blade of the windmill and rotates them. The blade, in turn, rotates the turbine which produces electricity. Thus the correct sequence of operations is 4-1-3-2.

Consider the following processes:
1. Wind rotates the blades of the windmill.
2. Electrical energy produced.
3. Turbine rotates.
4. Blowing of wind.
Which of the following predicts the correct order of events?

The correct option is C 4-1-3-2
The blowing wind hits the blade of the windmill and rotates them. The blade, in turn, rotates the turbine which produces electricity. Thus the correct sequence of operations is 4-1-3-2.