Answer:
C
Explanation:Three methods of controlling the speed of a universal electric motor are: the resistance control method-which involved varying the voltage using semicoinductor devices,
the field tapping method, and the centrifugal switch method. In the resistance control method.
Explanation:
The sum of the length of RS and ST is the length of RT, i.e.
Explanation:
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Answer:
Dust, dirt, or metal chips can pose a potential eye injury risk in a shop.
Explanation:
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