SACA 201 Silver 85 exam questions and answers
guaranteed pass
1. A(n) is used to measure resistance.: Ohmmeter
2. What is the total measurement of voltage over the power source called?: Applied
Voltage
3. Rotary motion is the output of which electrical output device?: Motor
4. Current is measured in units of .: Amps
5. What step should be taken to correctly measure the resistance of a resistor that is
wired in a circuit?: Disconnect one end of the resistor
6. The resistance provided by an inductor in an AC circuit is called
.: Inductive reactance
7. What does hertz stand for on a sine wave graph?: Cycles per second
8. What is the total inductance of a series circuit if the power supply frequency is 60 Hz
and 3 coils each have an inductance of 0.3 henrys?: 0.9 Henrys 9. A common
application of mutual inductance is found in a device called a
.: Transformer
10. 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
11. Which of the following is not a component of a basic electrical circuit?: Insulator
,12. What is the thin insulator placed between the plates of a capacitor called?-
: Dielectric
13. One of the effects a capacitor has in a DC circuit is that it will .-
: Charge to a voltage equal to the source voltage
14. Capacitance is measured in .: Farads
15. What is a drawing showing electrical symbols and paths?: Schematic 16. Current in
a(n) circuit is divided among the branches of the circuit.: Parallel
17. When the wire or foil strip inside a fuse melts, the fuse is said to be
.: Blown
18. The potential difference between two points in a circuit is called
.: Voltage
19. To measure current through a component, the ammeter must be connected
the component.: In series with
20. What creates an electric field and stores electricity?: Capacitor
21. What should you do before working on electrical equipment?: Preform a
lockout/tagout
22. What type of transformer is used to get two 60 volt lines from a 240 volt source?:
2:1 with center tap
23. What creates a magnetic field and stores energy?: Inductor
24. The minimum requirement for a complete electric circuit is a path that has: a power
source, load, and wires to connect it all
, 25. The Ohm's Law formula for calculating voltage is .: E = I × R
26. The amount of voltage that is used by each load depends on the
of each load.: Resistance
27. What is the relationship of the applied voltage cross two electrical components in
parallel with each other?: They are the same
28. Which of the following is not a component of a transformer?: Plate
29. What input device is shown in the circuit: Left to right cell, switch, lamp, cable
Single Pole Single Throw Switch
30. A circuit that uses resistors to produce a voltage that is lower than the source
voltage is called a .: Voltage divider
31. What change occurs in a circuit powered by a battery when a parallel branch is
added?* Voltage decreases
Current decreases
Current increases
Voltage increases: Current increases
32. Which of the following statements is not true about measuring the resis-
tance of a component that is connected in a circuit?* Connect the
leads across the component.
Turn off the power supply.
Disconnect one of the component leads from the circuit.
Make sure the power supply is on.: Make sure the power supply is on.
3 ik/ ik16
guaranteed pass
1. A(n) is used to measure resistance.: Ohmmeter
2. What is the total measurement of voltage over the power source called?: Applied
Voltage
3. Rotary motion is the output of which electrical output device?: Motor
4. Current is measured in units of .: Amps
5. What step should be taken to correctly measure the resistance of a resistor that is
wired in a circuit?: Disconnect one end of the resistor
6. The resistance provided by an inductor in an AC circuit is called
.: Inductive reactance
7. What does hertz stand for on a sine wave graph?: Cycles per second
8. What is the total inductance of a series circuit if the power supply frequency is 60 Hz
and 3 coils each have an inductance of 0.3 henrys?: 0.9 Henrys 9. A common
application of mutual inductance is found in a device called a
.: Transformer
10. 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
11. Which of the following is not a component of a basic electrical circuit?: Insulator
,12. What is the thin insulator placed between the plates of a capacitor called?-
: Dielectric
13. One of the effects a capacitor has in a DC circuit is that it will .-
: Charge to a voltage equal to the source voltage
14. Capacitance is measured in .: Farads
15. What is a drawing showing electrical symbols and paths?: Schematic 16. Current in
a(n) circuit is divided among the branches of the circuit.: Parallel
17. When the wire or foil strip inside a fuse melts, the fuse is said to be
.: Blown
18. The potential difference between two points in a circuit is called
.: Voltage
19. To measure current through a component, the ammeter must be connected
the component.: In series with
20. What creates an electric field and stores electricity?: Capacitor
21. What should you do before working on electrical equipment?: Preform a
lockout/tagout
22. What type of transformer is used to get two 60 volt lines from a 240 volt source?:
2:1 with center tap
23. What creates a magnetic field and stores energy?: Inductor
24. The minimum requirement for a complete electric circuit is a path that has: a power
source, load, and wires to connect it all
, 25. The Ohm's Law formula for calculating voltage is .: E = I × R
26. The amount of voltage that is used by each load depends on the
of each load.: Resistance
27. What is the relationship of the applied voltage cross two electrical components in
parallel with each other?: They are the same
28. Which of the following is not a component of a transformer?: Plate
29. What input device is shown in the circuit: Left to right cell, switch, lamp, cable
Single Pole Single Throw Switch
30. A circuit that uses resistors to produce a voltage that is lower than the source
voltage is called a .: Voltage divider
31. What change occurs in a circuit powered by a battery when a parallel branch is
added?* Voltage decreases
Current decreases
Current increases
Voltage increases: Current increases
32. Which of the following statements is not true about measuring the resis-
tance of a component that is connected in a circuit?* Connect the
leads across the component.
Turn off the power supply.
Disconnect one of the component leads from the circuit.
Make sure the power supply is on.: Make sure the power supply is on.
3 ik/ ik16
