Home
Glossary
History of electrical motors
Match the items on the right to the items on the left:
Check
Power that is not delivered to the load is lost as heat in electrical resistance, which is equivalent to
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
Heat is produced in the generator, transmission lines, and motor, and limits the amount of
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
Electrical motors were invented early, in the 1830’s, as soon as the magnetic effects of electrical currents and the magnetic
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
Small motors are still made
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
Attempts in the 1840’s to make these motors more
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
More success was encountered in
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
These generators all ran quite hot because of their lack of efficiency, but supplied the greater currents required for these applications more
???
mechanical friction.
cheaply than chemical batteries.
powerful and larger failed completely.
power that can be handled.
making generators.
for classroom demonstration.
properties of iron became known.
Check
OK
