ELECTRONICS ETA CERTIFICATION EXAMS SCRIPT
2026/2027 QUESTIONS AND SOLUTIONS RATED A+
✔✔Digital multimeters eliminate which of the following disadvantages of analog meters?
- ✔✔• Low impedance
• Poor accuracy
• Parallax errors
✔✔The Wheatstone bridge can be used for precision measurements of: - ✔✔resistance
✔✔The ammeter setting on a multimeter indicates what type of reading? - ✔✔current
✔✔A resistor with color bands of blue, gray and black has a value of
_______________. - ✔✔68 ohms 20%
✔✔A/an _____________ allows current to flow easily. - ✔✔conductor
✔✔A/an _________________ stops the flow of current. - ✔✔insulator
✔✔A component whose value is measured in microfarads is a: - ✔✔capacitor
✔✔A component whose value is measured in ohms is a: - ✔✔resistor
✔✔Switches are rated in maximum ___________ and ______________. (1) -
✔✔current, voltage (1)
✔✔Fuses are rated in maximum _____________ and ______________. - ✔✔current,
voltage
✔✔In an electrical circuit where the voltage and resistance are known, which form of
Ohm's law is used to find the circuit current? - ✔✔I = E/R
✔✔A unit of energy is the: - ✔✔Joule
✔✔Which of the following is commonly used to measure electrical energy consumption?
- ✔✔Kilowatt-Hours
✔✔The current flowing in a circuit is directly proportional to the applied voltage and
inversely proportional to the circuit resistance. This is a statement of: - ✔✔Ohm's Law
✔✔Ohm's Law states that voltage is the product of resistance and current. Using
algebra, how would you determine the resistance? - ✔✔divide the voltage by the current
, ✔✔Watt's law states that power is the product of current and voltage. Using algebra,
how could the power be determined if resistance and current are known? - ✔✔current
squared times the resistance
✔✔What does the M+ key on a calculator do? - ✔✔sums the quantity on screen to
memory
✔✔The basic unit of length in the metric system is the ___________. - ✔✔meter
✔✔A 120,000 Ohm resistor can be entered into a calculator using scientific notation as
____________. - ✔✔1.2 x 10^5
✔✔Which symbol is used for Ohms of resistance? - ✔✔Omega
✔✔Which symbol means "a change of"? - ✔✔Triangle
✔✔Which metric prefix would be used to represent 1 x 10^6 ? - ✔✔Mega
✔✔Which metric prefix would be used to represent 1 x 10^-3 ? - ✔✔Milli
✔✔Which metric prefix would be used to represent 1 x 10^12 ? - ✔✔Tera
✔✔________________ is a term used to describe voltage. - ✔✔Electromotive force
✔✔The unit of measurement for electron flow is a(n) ____________. - ✔✔ampere
✔✔A term used to describe opposition to current flow is _______________. -
✔✔resistance
✔✔The basic unit of electric power is the _____________. - ✔✔watt
✔✔In a linear electrical circuit, voltage and current are _______________. - ✔✔directly
proportional
✔✔In a series circuit, the current is _________________. - ✔✔the same in all parts of
the circuit
✔✔Total power in a series circuit equals the __________________. - ✔✔sum of the
power dissipated by each resistor
✔✔The sum of voltage drops in a series circuit: - ✔✔equals the applied voltage
2026/2027 QUESTIONS AND SOLUTIONS RATED A+
✔✔Digital multimeters eliminate which of the following disadvantages of analog meters?
- ✔✔• Low impedance
• Poor accuracy
• Parallax errors
✔✔The Wheatstone bridge can be used for precision measurements of: - ✔✔resistance
✔✔The ammeter setting on a multimeter indicates what type of reading? - ✔✔current
✔✔A resistor with color bands of blue, gray and black has a value of
_______________. - ✔✔68 ohms 20%
✔✔A/an _____________ allows current to flow easily. - ✔✔conductor
✔✔A/an _________________ stops the flow of current. - ✔✔insulator
✔✔A component whose value is measured in microfarads is a: - ✔✔capacitor
✔✔A component whose value is measured in ohms is a: - ✔✔resistor
✔✔Switches are rated in maximum ___________ and ______________. (1) -
✔✔current, voltage (1)
✔✔Fuses are rated in maximum _____________ and ______________. - ✔✔current,
voltage
✔✔In an electrical circuit where the voltage and resistance are known, which form of
Ohm's law is used to find the circuit current? - ✔✔I = E/R
✔✔A unit of energy is the: - ✔✔Joule
✔✔Which of the following is commonly used to measure electrical energy consumption?
- ✔✔Kilowatt-Hours
✔✔The current flowing in a circuit is directly proportional to the applied voltage and
inversely proportional to the circuit resistance. This is a statement of: - ✔✔Ohm's Law
✔✔Ohm's Law states that voltage is the product of resistance and current. Using
algebra, how would you determine the resistance? - ✔✔divide the voltage by the current
, ✔✔Watt's law states that power is the product of current and voltage. Using algebra,
how could the power be determined if resistance and current are known? - ✔✔current
squared times the resistance
✔✔What does the M+ key on a calculator do? - ✔✔sums the quantity on screen to
memory
✔✔The basic unit of length in the metric system is the ___________. - ✔✔meter
✔✔A 120,000 Ohm resistor can be entered into a calculator using scientific notation as
____________. - ✔✔1.2 x 10^5
✔✔Which symbol is used for Ohms of resistance? - ✔✔Omega
✔✔Which symbol means "a change of"? - ✔✔Triangle
✔✔Which metric prefix would be used to represent 1 x 10^6 ? - ✔✔Mega
✔✔Which metric prefix would be used to represent 1 x 10^-3 ? - ✔✔Milli
✔✔Which metric prefix would be used to represent 1 x 10^12 ? - ✔✔Tera
✔✔________________ is a term used to describe voltage. - ✔✔Electromotive force
✔✔The unit of measurement for electron flow is a(n) ____________. - ✔✔ampere
✔✔A term used to describe opposition to current flow is _______________. -
✔✔resistance
✔✔The basic unit of electric power is the _____________. - ✔✔watt
✔✔In a linear electrical circuit, voltage and current are _______________. - ✔✔directly
proportional
✔✔In a series circuit, the current is _________________. - ✔✔the same in all parts of
the circuit
✔✔Total power in a series circuit equals the __________________. - ✔✔sum of the
power dissipated by each resistor
✔✔The sum of voltage drops in a series circuit: - ✔✔equals the applied voltage
