NCCER 26201-20 ALTERNATING CURRENT Questions with 100% Correct Answers Updated & Verified

NCCER 26201-20 ALTERNATING
CURRENT Questions with 100% Correct
Answers Updated & Verified




An .electric .current .always .produces .? .- .correct .Answers .✔✔ .-A .magnetic .field

The .number .or .cycles .an .alternating .electric .current .undergoes .per .second .is .known .as .? .- .correct .A
nswers .✔✔ .-Frequency

What .is .the .peak .voltage .in .a .circuit .with .an .RMS .voltage .of .120 .VAC .? .- .correct .Answers .✔✔ .-
170 .VAC

Wich .of .the .following .conditions .exist .in .a .circuit .of .pure .resistance .? .- .correct .Answers .✔✔ .-
The .voltage .and .current .are .in .phase

In .a .purely .resistive .AC .circuit .where .240v .is .applied .across .a .10 .ohm .resistor, .the .amperage .is .? .- .c
orrect .Answers .✔✔ .-24A

When .the .current .increases .in .an .AC .circuit, .what .role .does .inductance .play .? .- .correct .Answers .✔
✔ .-It .reduces .the .current

Which .of .the .following .coils .is .likely .to .show .the .lowest .inductance? .- .correct .Answers .✔✔ .-
A .coil .with .a .narrow .coil

Which .of .the .following .conditions .exists .in .a .circuit .of .pure .inductance? .- .correct .Answers .✔✔ .-
The .voltage .and .current .are .90 .degrees .out .of .phase

Reactance .increases .with .an .increase .in? .- .correct .Answers .✔✔ .-Inductance

Capacitance .is .measured .in .? .- .correct .Answers .✔✔ .-Farads

The .total .capacitance .of .two .15uf .capacitors .connected .in .parallel .is? .- .correct .Answers .✔✔ .-30uf

The .total .capacitance .of .two .15uf .capacitors .connected .in .series .is? .- .correct .Answers .✔✔ .-15uf

The .total .capacitance .of .two .5uf .capacitors .and .on .10uf .capacitor .in .parallel .is? .- .correct .Answers .
✔✔ .-20uf