Update ) Questions with
Correct Answers {Grade A}100% Verified
The concept of a magnetic field being formed around a conductor when current flows
through it is called __________.*
Flux
Capacitance
All of the above
Electromagnetism
None of the above - correct answer Electromagnetism
hat is the best way to verify that a piece of equipment is properly grounded?*
Measure for current in the ground conductor.
Touch the metal housing of the equipment.
Measure the resistance between the equipment ground and the main ground lug.
Disconnect and reconnect the ground conductor. - correct answer Measure the
resistance between the equipment ground and the main ground lug.
,The contacts of a(n) __________ switch are open until acted on by the operator.*
Normally open
Normally closed
Normally simulated
Adjacent - correct answer Normally open
What is the total power of a series circuit if E = 75V and I = 50mA?*
1500 W
75 W
3.75 W
.5 W - correct answer 3.75 W
Where are meter leads placed in a circuit to measure current in a single component or
device?*
Component input and ground
Component output and ground
Component input and output
In series with the component - correct answer In series with the component
, Which of the following is a formula for calculating total resistance in a parallel
circuit?*
All of the above
RT = 1/(1/R1 + 1/R2 + 1/R3)
RT = ET × IT
RT = R1 + R2 + R3
None of the above - correct answer RT = 1/(1/R1 + 1/R2 + 1/R3)
What is the state of a capacitor if its resistance is continuously close to zero?*
Fully Charged
Charging
Shorted
Open - correct answer Shorted
What action should be taken when a circuit breaker trips?*
Switch it on to reset
Turn off the main power before resetting the breaker