ELECTRONICS ETA CORE EXAM SET 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔A/an _____ stops the flow of current. - ✔✔insulator
✔✔A decrease in the current of a series circuit can be caused by a: - ✔✔resistance
increase
✔✔Fuses are rated in maximum ____ and ____. - ✔✔current, voltage
✔✔Which device would most likely include a light level meter? - ✔✔camera
✔✔Battery cells are connected in series to: - ✔✔increase voltage output
✔✔The most common functions of a generic multimeter are: - ✔✔voltmeter, ammeter,
ohmmeter
✔✔Switches are rated in maximum ____ and ___. - ✔✔current, voltage
✔✔Digital multimeters eliminate which of the following disadvantages of analog meters?
- ✔✔Parallax errors
✔✔Given a battery rated at 200 ampere-hours, how many hours will the battery be able
to provide 10 amperes? - ✔✔20
✔✔Which prefix would be used to represent 1 x 10⁶? - ✔✔Mega
✔✔A resistor with 68 +/- color bands of blue, gray, and black has a value of ________. -
✔✔68 ohms at 20 percent
✔✔When two 10 kΩ parallel resistors are connected in series with a third 10 kΩ
resistor, total resistance (RT) is: - ✔✔15 kΩ
✔✔The current flowing in a circuit is directly proportional to the applied voltage and
inversely proportional to circuit resistance. This is a statement of: - ✔✔Ohm's Law
✔✔A/an _____ allows current to flow easily - ✔✔conductor
✔✔The unit of measure for electron flow is a(n) _____. - ✔✔ampere
✔✔The sum of voltage drops in a series circuit: - ✔✔equals the applied voltage
✔✔The "triboelectric effect" causes what kind of electricity? - ✔✔Static
, ✔✔Kirchoff's First Law is also known as the principle of conservation of electric charge.
It states that at any point, the sum of currents flowing toward that point is equal to the
sum of currents flowing away from that point. - ✔✔True
✔✔In a simple parallel circuit, the voltage across each branch is ____. - ✔✔equal to the
source voltage
✔✔Thevenin's Theorem states that it is possible to simplify any circuit containing any
amount of voltage sources, current sources, or resistance, no matter how complex, to
an equivalent circuit with just a single voltage source and series resistance connected to
a load. - ✔✔True
✔✔The Law of Static Electrical Charges states: - ✔✔like charges repel
✔✔In order to eliminate possible fire hazards, rags should be stored in: - ✔✔metal
containers
✔✔A basic atom must contain what two types of subatomic particles? - ✔✔electron and
proton
✔✔When resistors are added in parallel to a parallel circuit, total current: - ✔✔increases
✔✔ Which symbol is used for ohms of resistance? - ✔✔Ω
✔✔A unit of energy is the: - ✔✔Joule
✔✔Minute particles that make up all possible elements and still retain the unique
chemical characteristics of the element are called: - ✔✔atoms
✔✔A component whose value is measured in microfarads is a: - ✔✔capacitor
✔✔Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must
be zero. - ✔✔True
✔✔The pole of the magnet from which the flux leaves is called the _______ pole. -
✔✔north
✔✔Safety precautions to be taken when working on high voltage equipment include
which of the following? - ✔✔All jewelry should be removed
✔✔Which metric prefix would be used to represent 1 x 10⁻³ - ✔✔Milli
QUESTIONS AND SOLUTIONS RATED A+
✔✔A/an _____ stops the flow of current. - ✔✔insulator
✔✔A decrease in the current of a series circuit can be caused by a: - ✔✔resistance
increase
✔✔Fuses are rated in maximum ____ and ____. - ✔✔current, voltage
✔✔Which device would most likely include a light level meter? - ✔✔camera
✔✔Battery cells are connected in series to: - ✔✔increase voltage output
✔✔The most common functions of a generic multimeter are: - ✔✔voltmeter, ammeter,
ohmmeter
✔✔Switches are rated in maximum ____ and ___. - ✔✔current, voltage
✔✔Digital multimeters eliminate which of the following disadvantages of analog meters?
- ✔✔Parallax errors
✔✔Given a battery rated at 200 ampere-hours, how many hours will the battery be able
to provide 10 amperes? - ✔✔20
✔✔Which prefix would be used to represent 1 x 10⁶? - ✔✔Mega
✔✔A resistor with 68 +/- color bands of blue, gray, and black has a value of ________. -
✔✔68 ohms at 20 percent
✔✔When two 10 kΩ parallel resistors are connected in series with a third 10 kΩ
resistor, total resistance (RT) is: - ✔✔15 kΩ
✔✔The current flowing in a circuit is directly proportional to the applied voltage and
inversely proportional to circuit resistance. This is a statement of: - ✔✔Ohm's Law
✔✔A/an _____ allows current to flow easily - ✔✔conductor
✔✔The unit of measure for electron flow is a(n) _____. - ✔✔ampere
✔✔The sum of voltage drops in a series circuit: - ✔✔equals the applied voltage
✔✔The "triboelectric effect" causes what kind of electricity? - ✔✔Static
, ✔✔Kirchoff's First Law is also known as the principle of conservation of electric charge.
It states that at any point, the sum of currents flowing toward that point is equal to the
sum of currents flowing away from that point. - ✔✔True
✔✔In a simple parallel circuit, the voltage across each branch is ____. - ✔✔equal to the
source voltage
✔✔Thevenin's Theorem states that it is possible to simplify any circuit containing any
amount of voltage sources, current sources, or resistance, no matter how complex, to
an equivalent circuit with just a single voltage source and series resistance connected to
a load. - ✔✔True
✔✔The Law of Static Electrical Charges states: - ✔✔like charges repel
✔✔In order to eliminate possible fire hazards, rags should be stored in: - ✔✔metal
containers
✔✔A basic atom must contain what two types of subatomic particles? - ✔✔electron and
proton
✔✔When resistors are added in parallel to a parallel circuit, total current: - ✔✔increases
✔✔ Which symbol is used for ohms of resistance? - ✔✔Ω
✔✔A unit of energy is the: - ✔✔Joule
✔✔Minute particles that make up all possible elements and still retain the unique
chemical characteristics of the element are called: - ✔✔atoms
✔✔A component whose value is measured in microfarads is a: - ✔✔capacitor
✔✔Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must
be zero. - ✔✔True
✔✔The pole of the magnet from which the flux leaves is called the _______ pole. -
✔✔north
✔✔Safety precautions to be taken when working on high voltage equipment include
which of the following? - ✔✔All jewelry should be removed
✔✔Which metric prefix would be used to represent 1 x 10⁻³ - ✔✔Milli
