Page 46 - 383_

down.
6 The crankshaft spins round. This turns the rotor at 3.000 rpm.
7 The armature of the alternator This induces a current in the stator
rotates. windings.
8 The alternator runs at a This generates around 700 watts.
steady 3000rpm.

Word study: Verbs with -ise /-ize.

Study this statement:

The rotor is magnetized.
What does it mean? Can you say it another way? We can rewrite
this statement as:
The rotor is made magnetic.
Verbs ending in -ise/-ize have a range of meanings with the
general sense of make + adjective.

Step 6

Rewrite these sentences replacing the phrases in italics with
appropriate -ise/-ize verbs.

1. Some cars are fitted with a security device, which makes the
engine immobile.
2. In areas where the power supply fluctuates, for sensitive
equipment a device to make the voltage stable is required.
3. Manufacturers seek to keep costs to a minimum and profits to a
maximum.
4. Most companies have installed computers to control their
production line.
5. Companies may make their operation more rational by reducing
the variety of products they make.

Step 7

The statements that follow describe the distribution of power from

44