Deck 17: Electricalelectronic System Principles

Question 1

Technician A says current will increase with a decrease in resistance.Technician B says current will decrease with an increase in resistance.Who is correct?

A)A only
B)B only
C)both A and B
D)neither A nor B

Answer 1

C

Question 2

Semiconductors are devices made from materials that are between those of conductors and insulators.

Answer 2

True

Question 3

Electromotive force is measured in volts.

Answer 3

True

Question 4

____________________ are solid-state switches that contain no moving parts.

Question 5

____________________ join wires together or to a component.

Question 6

The unit for measuring electrical resistance is _____.

A)amperes
B)ohms
C)volts
D)watts

Question 7

All the following are used as circuit protection EXCEPT:

A)fuses
B)relays
C)circuit breakers
D)fuse links

Question 8

Which statement concerning series circuits is NOT true?

A)The sum of the voltage drops equals the source voltage
B)The amount of current [amperes] flowing through the circuit is the same throughout the circuit
C)The voltage drop across each load is different if the resistance of the loads is different
D)The total resistance is equal to the lowest resistance in the circuit

Question 9

___________ are used to open a circuit with excessive current flow and reset after they are opened.

A)Fuses
B)Fuse links
C)Relays
D)Circuit breakers

Question 10

Electricity is the flow of protons from one atom to another.

Question 11

What is the current in a 12-volt circuit with a 6-ohm resistor connected series?

A)2 amps
B)4 amps
C)6 amps
D)12 amps

Question 12

The unit for measuring electrical current is _____.

A)amperes
B)ohms
C)volts
D)watts

Question 13

The process of a magnetic field causing a current to flow in a conductor due to the movement of magnetic fields across the conductor is ____________________.

Question 14

____________________ are materials that do not readily gain or lose electrons in their outer rings.

Question 15

Amperage is used to define the amount of electrical current flow that is occurring at a particular point.

Question 16

What is the name of the formula E = I x R?

A)Ampere's law
B)Voltaire's law
C)Watt's law
D)Ohm's law

Question 17

A series circuit provides two or more different paths for current flow.

Question 18

Series circuits have all the parts of the circuit in a ____________________ path.

Question 19

Which of the following statements is NOT true?

A)Voltage and volts are used to define an amount of electrical potential.
B)Voltage drop is the amount of voltage that is being used by a component, wire, or a connection.
C)Amperage is the amount of electrical current flow.
D)Direct current flows only from zero to negative.

Question 20

The unit for measuring electrical pressure (force) is _____.

A)amperes
B)ohms
C)volts
D)watts