ETA CET CERTIFICATION EVALUATION
2026 STUDY GUIDE QUESTIONS AND
ANSWERS
◉ In a parallel circuit when the inductive reactance equals the
capacitor reactance has _____ impedance
Answer: Maximum
◉ Resonance is when _______
Answer: the total of the inductive reactances in the circuit equal the
total of all capacitive reactances
◉ ______ cells are prone to battery memory
Answer: NiCad
◉ A conducting loop in motion through magnetic lines of flux has
current induced in it. The physical laws that explains this is what
Answer: Lenz's law
◉ An AC generator is also known as a ______
Answer: Alternator
,◉ Three phase power is obtained from an AC generator by wiring
the armature windings in a ______ or _____ configuration
Answer: Delta and Wye
◉ What element of a DC generator distinguishes it from an AC
generator
Answer: commutator
◉ What type of motor will speed dangerously out of control if not
physically loaded
Answer: Series wound DC motor
◉ AC motor speed depends on _______
Answer: The frequency of the voltage applied
◉ Series wound AC motors have strong torque from a dead stop.
This makes then ideally suited for use in small appliances
Answer: True
◉ What element of a synchronous AC motor provides start up
torque for the motor
Answer: squirrel cage
, ◉ An AC induction motor requires what to operate?
Answer: Slip
◉ What happens to the value of a capacitor if the spacing between
plates decreases
Answer: increases
◉ A variable capacitor's plates can open or close. As the plates open,
capacitance
Answer: Decreases
◉ an inductor with the same length of wire but whose turns are
spaced further apart will have
Answer: less inductance
◉ An inductor in a electrical circuit
Answer: Opposes the flow of AC current
◉ the term for the combination of resistance and reactance that
restricts the flow of alternating current is:
Answer: impedance
2026 STUDY GUIDE QUESTIONS AND
ANSWERS
◉ In a parallel circuit when the inductive reactance equals the
capacitor reactance has _____ impedance
Answer: Maximum
◉ Resonance is when _______
Answer: the total of the inductive reactances in the circuit equal the
total of all capacitive reactances
◉ ______ cells are prone to battery memory
Answer: NiCad
◉ A conducting loop in motion through magnetic lines of flux has
current induced in it. The physical laws that explains this is what
Answer: Lenz's law
◉ An AC generator is also known as a ______
Answer: Alternator
,◉ Three phase power is obtained from an AC generator by wiring
the armature windings in a ______ or _____ configuration
Answer: Delta and Wye
◉ What element of a DC generator distinguishes it from an AC
generator
Answer: commutator
◉ What type of motor will speed dangerously out of control if not
physically loaded
Answer: Series wound DC motor
◉ AC motor speed depends on _______
Answer: The frequency of the voltage applied
◉ Series wound AC motors have strong torque from a dead stop.
This makes then ideally suited for use in small appliances
Answer: True
◉ What element of a synchronous AC motor provides start up
torque for the motor
Answer: squirrel cage
, ◉ An AC induction motor requires what to operate?
Answer: Slip
◉ What happens to the value of a capacitor if the spacing between
plates decreases
Answer: increases
◉ A variable capacitor's plates can open or close. As the plates open,
capacitance
Answer: Decreases
◉ an inductor with the same length of wire but whose turns are
spaced further apart will have
Answer: less inductance
◉ An inductor in a electrical circuit
Answer: Opposes the flow of AC current
◉ the term for the combination of resistance and reactance that
restricts the flow of alternating current is:
Answer: impedance
