Why wind is used to produce electrical energy?
a) it carries light
b) it propagates sound
c) it has energy
d) none of these
A wind turbine converts ………energy into electricity
a) heat
b) kinetic
c) thermal energy
d) solar energy
To change ………energy to electricity, wind should turn the rotor blades which need to spin the turbine.
a) heat
b) sound
c) sun
d) wind
Which of the following is fitted inside the turbine that supplies an electrical output?
a) concave mirror
b) electric generator
c) magnet
d) all of these
A wind turbine is connected to the …….and its movement generates electricity.
a) machine
b) mirror
c) motor
d) none of these
Which of the following is used to measure how much electricity is produced by wind turbine generator?
a) ammeter
b) voltmeter
c) thermometer
d) meter ruler
