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