C-201 _ Electrical Systems 1 (AC/DC)
SACA Practice Questions With 100%
Correct Answers
What is the effect of inductive reactance in an AC circuit? - ✔✔✔✔Opposes current change
What is the secondary voltage if the primary is 480VAC? (The primary coil have 300 turns and the
secondary coil has 125 turns) - ✔✔✔✔200 VAC
When loads are connected in series, their individual resistances are __________. - ✔✔✔✔Added
What is the best way to verify that a piece of equipment is properly grounded? - ✔✔✔✔Measure the
resistance between the equipment ground and the main ground lug.
Which of the following is an immediate danger of unsecured electrical cords? - ✔✔✔✔Trip hazard
1 - ✔✔✔✔2 & 4
What does an electrical schematic not show? - ✔✔✔✔Physical connections
What is the function of an inductor? - ✔✔✔✔It opposes a change in current flow
When troubleshooting a circuit, what can be said if the total resistance of the parallel circuit does not
change when a branch is removed? - ✔✔✔✔An open exists in the removed branch
How many seconds will it take in a RC circuit to completely charge if the RC has a time constant of .06
seconds? (close to this .5?) - ✔✔✔✔0.3 -> 2.5
SACA Practice Questions With 100%
Correct Answers
What is the effect of inductive reactance in an AC circuit? - ✔✔✔✔Opposes current change
What is the secondary voltage if the primary is 480VAC? (The primary coil have 300 turns and the
secondary coil has 125 turns) - ✔✔✔✔200 VAC
When loads are connected in series, their individual resistances are __________. - ✔✔✔✔Added
What is the best way to verify that a piece of equipment is properly grounded? - ✔✔✔✔Measure the
resistance between the equipment ground and the main ground lug.
Which of the following is an immediate danger of unsecured electrical cords? - ✔✔✔✔Trip hazard
1 - ✔✔✔✔2 & 4
What does an electrical schematic not show? - ✔✔✔✔Physical connections
What is the function of an inductor? - ✔✔✔✔It opposes a change in current flow
When troubleshooting a circuit, what can be said if the total resistance of the parallel circuit does not
change when a branch is removed? - ✔✔✔✔An open exists in the removed branch
How many seconds will it take in a RC circuit to completely charge if the RC has a time constant of .06
seconds? (close to this .5?) - ✔✔✔✔0.3 -> 2.5
