C-201 Electrical Systems 1 Exam Questions and Answers
_____ is the flow of electrons in a conductor - -Electricity
-In _____ theory current flow, current flows from positive to negative - -
-A(n) _____ uses a tiny neon bulb that glows when current flows through it. - -Circuit Tester
-The flow of electricity in only one direction is called _____ current. - -DC
-Most of the electrical power in the world is _____. - -AC
-A common input device is a(n) _____ - -Switch
-An output device is also called a(n) _____. - -Load
-An electrical _____ diagram uses standard symbols to show the components of a circuit and
how they are connected. - -Schematic
-A power supply's feature to provide a constant current or voltage is called ______. - -
-A battery depends on a(n) _____ reaction to produce electricity. - -Chemical
-A simple method for opening and closing a circuit is to use a(n) _____. - -Switch
-The two main components of a switch are the _____ and the contacts. - -Operator
-A(n) _____ contact allows current to flow when the switch's operator is not activated. - -
Normally Closed
-A(n) _____ switch operator rotates the contact bar down to connect with the second
terminal, completing the circuit. - -Knife
-List 5 types of output devices - -1.) Lamp
2.) Solenoid
3.) Buzzer
4.) Motor
5.) Resistor
-A(n) _____ determines if electricity is present in a circuit. - -Circuit Tester
-Constant voltage power supplies will maintain a constant voltage output under varying
_____. - -Loads
, -_____ is the existence of a potential difference between two points in a circuit. - -
Electromotive force
-Electromotive force is measured in units called _____. - -Volts
-A(n) _____ is a device that measures the voltage between two points in an electrical circuit.
- -Voltmeter
-The measurement readings of a(n) _____ are much easier to read than an analog
multimeter. - -DMM
-The black lead from the negative (common) terminal of the DMM should be connected to
the point with the _____ potential in the circuit. - -Lower
-There is only one path for current to travel in a(n) _____ circuit. - -Series
-A ____ circuit has more than one path for current flow. - -Parallel
-In a series circuit, the total voltage supplied by the power supply is _____ among the loads.
- -Divided
-The voltage drop across any component is the difference in voltage referenced to _____
between the two terminals of the component. - -Ground
-When a parallel circuit is connected to a constant voltage source, the same amount of
voltage is available to each ______ of the circuit. - -Branch
-Current is measured in units called _____. - -Amperes
-When measuring _____, the ammeter must be connected in series with the components in
the circuit. - -Current
-The current in a(n) _____ circuit flows from the positive terminal of the supply to the
negative terminal through every component of the circuit. - -Series
-An ammeter is used to measure _____. - -Current
-If a wire has continuity, it __________. - -will have almost no resistance
-To measure current through a component, is an ammeter placed in parallel or in series
with the component? - -In series with
-The amount of voltage that is used by each load depends on the _____ of each load. - -
Resistance
-A known reference point in an electrical circuit is called a __________. - -Common
_____ is the flow of electrons in a conductor - -Electricity
-In _____ theory current flow, current flows from positive to negative - -
-A(n) _____ uses a tiny neon bulb that glows when current flows through it. - -Circuit Tester
-The flow of electricity in only one direction is called _____ current. - -DC
-Most of the electrical power in the world is _____. - -AC
-A common input device is a(n) _____ - -Switch
-An output device is also called a(n) _____. - -Load
-An electrical _____ diagram uses standard symbols to show the components of a circuit and
how they are connected. - -Schematic
-A power supply's feature to provide a constant current or voltage is called ______. - -
-A battery depends on a(n) _____ reaction to produce electricity. - -Chemical
-A simple method for opening and closing a circuit is to use a(n) _____. - -Switch
-The two main components of a switch are the _____ and the contacts. - -Operator
-A(n) _____ contact allows current to flow when the switch's operator is not activated. - -
Normally Closed
-A(n) _____ switch operator rotates the contact bar down to connect with the second
terminal, completing the circuit. - -Knife
-List 5 types of output devices - -1.) Lamp
2.) Solenoid
3.) Buzzer
4.) Motor
5.) Resistor
-A(n) _____ determines if electricity is present in a circuit. - -Circuit Tester
-Constant voltage power supplies will maintain a constant voltage output under varying
_____. - -Loads
, -_____ is the existence of a potential difference between two points in a circuit. - -
Electromotive force
-Electromotive force is measured in units called _____. - -Volts
-A(n) _____ is a device that measures the voltage between two points in an electrical circuit.
- -Voltmeter
-The measurement readings of a(n) _____ are much easier to read than an analog
multimeter. - -DMM
-The black lead from the negative (common) terminal of the DMM should be connected to
the point with the _____ potential in the circuit. - -Lower
-There is only one path for current to travel in a(n) _____ circuit. - -Series
-A ____ circuit has more than one path for current flow. - -Parallel
-In a series circuit, the total voltage supplied by the power supply is _____ among the loads.
- -Divided
-The voltage drop across any component is the difference in voltage referenced to _____
between the two terminals of the component. - -Ground
-When a parallel circuit is connected to a constant voltage source, the same amount of
voltage is available to each ______ of the circuit. - -Branch
-Current is measured in units called _____. - -Amperes
-When measuring _____, the ammeter must be connected in series with the components in
the circuit. - -Current
-The current in a(n) _____ circuit flows from the positive terminal of the supply to the
negative terminal through every component of the circuit. - -Series
-An ammeter is used to measure _____. - -Current
-If a wire has continuity, it __________. - -will have almost no resistance
-To measure current through a component, is an ammeter placed in parallel or in series
with the component? - -In series with
-The amount of voltage that is used by each load depends on the _____ of each load. - -
Resistance
-A known reference point in an electrical circuit is called a __________. - -Common
