The same bolt of lightning symbol used to symbolize the current-actuated coil, also is used as the sensing element in the symbol of an __________________ - _________ circuit breaker and as the magnetic sensor in a motor-starter _____________ ___________.
A) overload relay; overload relay
B) instantaneous-trip; overload relay
C) instantaneous-trip; instantaneous-trip
D) overload relay; instantaneous-trip
Show Answer
Answer:B
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