SACA 201 Silver Exam Questions & Answers.
A(n) __________ is used to measure resistance. - -Ohmmeter
-What is the total measurement of voltage over the power source called? - -Applied
Voltage
-Rotary motion is the output of which electrical output device? - -Motor
-Current is measured in units of __________. - -Amps
-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
-The resistance provided by an inductor in an AC circuit is called __________. - -Inductive
reactance
-What does hertz stand for on a sine wave graph? - -Cycles per second
-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
-A common application of mutual inductance is found in a device called a __________. - -
Transformer
-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
-Which of the following is not a component of a basic electrical circuit? - -Insulator
-What is the thin insulator placed between the plates of a capacitor called? - -Dielectric
-One of the effects a capacitor has in a DC circuit is that it will __________. - -Charge to a
voltage equal to the source voltage
-Capacitance is measured in __________. - -Farads
-What is a drawing showing electrical symbols and paths? - -Schematic
-Current in a(n) __________ circuit is divided among the branches of the circuit. - -Parallel
-When the wire or foil strip inside a fuse melts, the fuse is said to be _________. - -Blown
-The potential difference between two points in a circuit is called __________. - -Voltage
, -To measure current through a component, the ammeter must be connected __________ the
component. - -In series with
-What creates an electric field and stores electricity? - -Capacitor
-What should you do before working on electrical equipment? - -Preform a lockout/tagout
-What type of transformer is used to get two 60 volt lines from a 240 volt source? - -2:1
with center tap
-What creates a magnetic field and stores energy? - -Inductor
-The minimum requirement for a complete electric circuit is a path that has - -a power
source, load, and wires to connect it all
-The Ohm's Law formula for calculating voltage is __________. - -E = I × R
-The amount of voltage that is used by each load depends on the __________ of each load. - -
Resistance
-What is the relationship of the applied voltage cross two electrical components in parallel
with each other? - -They are the same
-Which of the following is not a component of a transformer? - -Plate
-What input device is shown in the circuit - -Left to right cell, switch, lamp, cable Single
Pole Single Throw Switch
-A circuit that uses resistors to produce a voltage that is lower than the source voltage is
called a __________. - -Voltage divider
-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
-Which of the following statements is not true about measuring the resistance 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.
-What is the total capacitance of three 25 microfarad capacitors in series?*
75 microfarads
A(n) __________ is used to measure resistance. - -Ohmmeter
-What is the total measurement of voltage over the power source called? - -Applied
Voltage
-Rotary motion is the output of which electrical output device? - -Motor
-Current is measured in units of __________. - -Amps
-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
-The resistance provided by an inductor in an AC circuit is called __________. - -Inductive
reactance
-What does hertz stand for on a sine wave graph? - -Cycles per second
-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
-A common application of mutual inductance is found in a device called a __________. - -
Transformer
-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
-Which of the following is not a component of a basic electrical circuit? - -Insulator
-What is the thin insulator placed between the plates of a capacitor called? - -Dielectric
-One of the effects a capacitor has in a DC circuit is that it will __________. - -Charge to a
voltage equal to the source voltage
-Capacitance is measured in __________. - -Farads
-What is a drawing showing electrical symbols and paths? - -Schematic
-Current in a(n) __________ circuit is divided among the branches of the circuit. - -Parallel
-When the wire or foil strip inside a fuse melts, the fuse is said to be _________. - -Blown
-The potential difference between two points in a circuit is called __________. - -Voltage
, -To measure current through a component, the ammeter must be connected __________ the
component. - -In series with
-What creates an electric field and stores electricity? - -Capacitor
-What should you do before working on electrical equipment? - -Preform a lockout/tagout
-What type of transformer is used to get two 60 volt lines from a 240 volt source? - -2:1
with center tap
-What creates a magnetic field and stores energy? - -Inductor
-The minimum requirement for a complete electric circuit is a path that has - -a power
source, load, and wires to connect it all
-The Ohm's Law formula for calculating voltage is __________. - -E = I × R
-The amount of voltage that is used by each load depends on the __________ of each load. - -
Resistance
-What is the relationship of the applied voltage cross two electrical components in parallel
with each other? - -They are the same
-Which of the following is not a component of a transformer? - -Plate
-What input device is shown in the circuit - -Left to right cell, switch, lamp, cable Single
Pole Single Throw Switch
-A circuit that uses resistors to produce a voltage that is lower than the source voltage is
called a __________. - -Voltage divider
-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
-Which of the following statements is not true about measuring the resistance 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.
-What is the total capacitance of three 25 microfarad capacitors in series?*
75 microfarads
