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NETA Level 2 Certified Assistant Electrical Testing Specialist Sample Questions:

1. The three-phase connection in whichone end of each winding is connected togetheris called which configuration?

A) Delta
B) Zig-zag
C) Wye
D) Open-delta

2. During aCT saturation test, voltage increases sharply with little increase in current. What does this indicate?

A) Ratio error is present
B) Core has reached saturation
C) Secondary winding is open
D) CT burden is too low

3. Harmonics in an electrical system increase the risk of fire and electric shock.

A) True
B) Only in high-voltage systems
C) False
D) Only when neutral conductors are undersized

4. Polarization Index (PI) is defined as the ratio of insulation resistance measured at:

A) 10 minutes to 1 minute
B) 5 minutes to 1 minute
C) 1 minute to 30 seconds
D) 15 minutes to 5 minutes

5. Which of the following equations correctly represents the relationship betweencapacitance (C),charge (Q), andvoltage (V)?

A) V = Q / C²
B) C = Q / V
C) Q = C × V
D) C = V / Q

Solutions: