It is a machine which converts electric energy into mechanical energy or work and requires electric energy input.
1. It is a machine which converts electric energy into
energy or work and requires electric energy input.
2. There is no constructional difference between a dc generator and
a dc motor. (True or False)
3. The functions of a dc generator and a dc motor are not
interchangeable is that a generator may be operated as a motor
and vice versa. (True or False)
4. Magnetic force acts ____ to both wire and magnetic field.
Choose among these:
Parallel
Perpendicular
Opposite
the same
5. When electric current passes through a coil in a magnetic field,
the magnetic force produces a _____ which turns the motor.
6. For motors, electric current is supplied externally through a
___.
7. This serves as the protective cover of the machine.
8. Its slots carry the conductors and cause them to rotate and hence
cut the magnetic flux of the field of the field magnets.
9. It converts the alternating current induced in the armature
conductors into unidirectional current.
10. It collects current to the external circuit.
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