Briefly describe what mean ‘the efficiency machine’.
18. State how emf induced alternator.
21. velocity
16.
19. Briefly describe what mean turning force’ and give five
practical examples this effect. Calculate state the average rms and maximum value the
domestic a. Which the following may defined ‘the rate doing work’:
a. power
d.12. velocity
15. velocity
14. Which the following may defined ‘the force applied times
the distance moved the direction the force’:
a. work done
c. Sketch the construction simple alternator and label all the parts. mass
d. power
d. Which the following may defined ‘the speed given
direction’:
a. acceleration
b. work done
c.
17. Which the following may defined ‘may cause stationary
object move bring moving body rest’:
a. work done
c. acceleration
b. acceleration
b. power
d. force
c. weight
13. mains supply and show these values sketch the
mains supply.
20. acceleration
b. Sketch and name the
shape the generated emf. Briefly define what mean ‘simple machine’ and give five
examples.c.
