RECF ELECTRICAL QUESTIONS AND
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
Which can be added to a circuit to protect against electric shocks - ANSWER GFCI
What do two output channels determine in a Quadrature encoder - ANSWER Rotation
Not measured by frequency - ANSWER Heat
Sensors used in echolocation - ANSWER Ultrasonic
An electromagnetic motor has electricity flowing through - ANSWER Windings
Which circuit is digital? - ANSWER B
A motor on a train converts 60000J of electric into 45000J - ANSWER 15kJ
Which is an analog sensor? - ANSWER Line follower
In a LIFO system - ANSWER First
Which data storage is the smallest - ANSWER USB
Which uses a rheostat - ANSWER Potentiometer
Electrical resistance is measured in - ANSWER Ohms
60000 to 45000 how efficient is the motor - ANSWER 75%
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