AT 202 Test 1 Final Review 2026 | Verified Answers |
Exam Prep
1. If the coil in figure 4 is not energized, what would be the expected behavior
of the circuit connected to it?
The circuit would operate normally.
The circuit would not function or complete the intended operation.
The circuit would draw excess current.
The circuit would create a short circuit.
2. Describe how electromagnetic induction can be used to alter the power
output in electrical systems.
Electromagnetic induction allows for the generation of voltage
through changing magnetic fields, which can be adjusted to control
power output.
Electromagnetic induction is unrelated to power output in electrical
systems.
Electromagnetic induction only produces constant power regardless
of changes.
Electromagnetic induction requires a constant magnetic field to
function.
3. When current in a coil increases, the energy stored in the magnetic field
around it?
decreases
stays the same
increases
,4. Describe the primary characteristic of semiconductors that distinguishes
them from conductors and insulators.
Semiconductors are made only of metals.
Semiconductors do not conduct electricity at all.
Semiconductors have conductivity that can be controlled by adding
impurities.
Semiconductors are always good conductors of electricity.
5. What is one characteristic of a multi-phase generator?
Produces a 'smoother' generator output.
Contains a single winding loop in the rotor.
Generates power only in direct current.
Is used exclusively in automotive applications.
6. Describe how using inductors can help in smoothing the DC voltage output
of a generator.
Inductors increase the frequency of the output voltage.
Inductors are used to increase the generator's output power.
Inductors convert AC to DC directly.
Inductors can store energy and release it gradually, reducing
voltage fluctuations.
7. Which of these uses a movable core to act as an electric switch?
Solenoid
Relay
, Transistor
None of these
8. Describe the primary function of a rectifier in an electrical system.
A rectifier stores electrical energy in a battery.
A rectifier converts alternating current (AC) into direct current (DC).
A rectifier measures electrical resistance in a circuit.
A rectifier increases the voltage of direct current (DC).
9. If a technician is soldering components without using flux, what potential
issues might arise?
Increased electrical resistance in the joint.
Poor solder joint quality due to oxidation.
Enhanced thermal conductivity of the joint.
Improved adhesion of the solder to the components.
10. Bonding is used to protect the aircraft against fire by:
ensuring the same electrical potential of all metal components in
the aircraft's structure.
maintaining a different electrical potential throughout the aircraft's
structure.
providing an earth return system.
provision of an independent ignition system.
11. What is the purpose of a two-wire system in a composite airframe?
To ensure redundancy and reliability in electrical systems.
, To reduce weight and improve aerodynamics.
To increase the power output of the system.
To simplify the wiring process.
12. What is the unit of electric current defined as one coulomb per second?
Volt
Ampere
Ohm
Watt
13. If an AC generator's output voltage fluctuates due to varying load
conditions, what role does the voltage regulator play in maintaining system
stability?
It adjusts the excitation to stabilize the output voltage.
It increases the load to match the generator's output.
It reduces the frequency of the output signal.
It disconnects the generator from the load.
14. If an electromagnet is not strong enough to lift a certain weight, what
adjustments could you make to improve its lifting capability?
Reduce the number of coils and increase the resistance.
Decrease the power supply voltage or use a longer wire.
Switch to a non-magnetic core material to enhance strength.
Increase the current flowing through the wire or add more turns of
wire to the coil.
Exam Prep
1. If the coil in figure 4 is not energized, what would be the expected behavior
of the circuit connected to it?
The circuit would operate normally.
The circuit would not function or complete the intended operation.
The circuit would draw excess current.
The circuit would create a short circuit.
2. Describe how electromagnetic induction can be used to alter the power
output in electrical systems.
Electromagnetic induction allows for the generation of voltage
through changing magnetic fields, which can be adjusted to control
power output.
Electromagnetic induction is unrelated to power output in electrical
systems.
Electromagnetic induction only produces constant power regardless
of changes.
Electromagnetic induction requires a constant magnetic field to
function.
3. When current in a coil increases, the energy stored in the magnetic field
around it?
decreases
stays the same
increases
,4. Describe the primary characteristic of semiconductors that distinguishes
them from conductors and insulators.
Semiconductors are made only of metals.
Semiconductors do not conduct electricity at all.
Semiconductors have conductivity that can be controlled by adding
impurities.
Semiconductors are always good conductors of electricity.
5. What is one characteristic of a multi-phase generator?
Produces a 'smoother' generator output.
Contains a single winding loop in the rotor.
Generates power only in direct current.
Is used exclusively in automotive applications.
6. Describe how using inductors can help in smoothing the DC voltage output
of a generator.
Inductors increase the frequency of the output voltage.
Inductors are used to increase the generator's output power.
Inductors convert AC to DC directly.
Inductors can store energy and release it gradually, reducing
voltage fluctuations.
7. Which of these uses a movable core to act as an electric switch?
Solenoid
Relay
, Transistor
None of these
8. Describe the primary function of a rectifier in an electrical system.
A rectifier stores electrical energy in a battery.
A rectifier converts alternating current (AC) into direct current (DC).
A rectifier measures electrical resistance in a circuit.
A rectifier increases the voltage of direct current (DC).
9. If a technician is soldering components without using flux, what potential
issues might arise?
Increased electrical resistance in the joint.
Poor solder joint quality due to oxidation.
Enhanced thermal conductivity of the joint.
Improved adhesion of the solder to the components.
10. Bonding is used to protect the aircraft against fire by:
ensuring the same electrical potential of all metal components in
the aircraft's structure.
maintaining a different electrical potential throughout the aircraft's
structure.
providing an earth return system.
provision of an independent ignition system.
11. What is the purpose of a two-wire system in a composite airframe?
To ensure redundancy and reliability in electrical systems.
, To reduce weight and improve aerodynamics.
To increase the power output of the system.
To simplify the wiring process.
12. What is the unit of electric current defined as one coulomb per second?
Volt
Ampere
Ohm
Watt
13. If an AC generator's output voltage fluctuates due to varying load
conditions, what role does the voltage regulator play in maintaining system
stability?
It adjusts the excitation to stabilize the output voltage.
It increases the load to match the generator's output.
It reduces the frequency of the output signal.
It disconnects the generator from the load.
14. If an electromagnet is not strong enough to lift a certain weight, what
adjustments could you make to improve its lifting capability?
Reduce the number of coils and increase the resistance.
Decrease the power supply voltage or use a longer wire.
Switch to a non-magnetic core material to enhance strength.
Increase the current flowing through the wire or add more turns of
wire to the coil.
