Direct Current

Question 1

What is the definition of Base?
A. The fixed reference point for an altimeter setting.
B. The main component in an aircraft’s electrical circuit.
C. The central section of an aircraft’s landing gear system.
D. The number being multiplied by itself.

Answer 1

D. The number being multiplied by itself.

Question 2

What is the definition of Exponent?
A. The rate at which electrical current increases over time.
B. The number of times the base will be multiplied.
C. The maximum power output of an aircraft’s engine.
D. The signal strength indicator on a radar system.

Answer 2

B. The number of times the base will be multiplied.

Question 3

What is the definition of a Numerical Coefficient?
A. The constant rate of charge flow in a circuit.
B. The primary voltage setting in an aircraft’s electrical system.
C. The number being multiplied.
D. The standard measurement of resistance in wiring.

Answer 3

C. The number being multiplied.

Question 4

What are the three requirements for a practical circuit?
A. Voltage Source, Conductor, and Load Device.
B. Power relay, fuse, and transformer.
C. Resistor, capacitor, and inductor.
D. Switch, battery, and ground connection.

Answer 4

A. Voltage Source, Conductor, and Load Device.

Question 5

A conductor (like a wire) has many______.
A. Insulating materials.
B. Voltage levels.
C. Resistance points.
D. Electrons.

Answer 5

D. Electrons.

Question 6

Electrical power is_______.
A. Consumed.
B. Generated.
C. Transferred.
D. Stored.

Answer 6

A. Consumed.

Question 7

Current______.
A. Decreases exponentially.
B. Fluctuates frequently.
C. Stays the same.
D. Reverses direction.

Answer 7

C. Stays the same.

Question 8

The source voltage is______across the loads.
A. Increased.
B. Dropped.
C. Constant.
D. Balanced.

Answer 8

B. Dropped.

Question 9

Total Resistance is the______of the______resistors.
A. Sum, individual.
B. Product, connected.
C. Average, series.
D. Difference, parallel.

Answer 9

A. Sum, individual.