Q.1

The maximum resistance value for a brown, red, yellow, gold resistor is

  • 126,000
  • 126,600
  • 114,000
  • 132,000
Q.2

The maximum resistance value for a brown, red, yellow, gold resistor is

  • 126,000
  • 126,600
  • 114,000
  • 132,000
Q.3
A material that does not allow current under normal conditions is a(n)
  • insulator
  • conductor
  • semiconductor
  • valence
Q.4
Eight-tenths coulomb passes a point in 4 s. The current in amperes is
  • 1.6 A
  • 16 A
  • 2 A
  • 0.2 A
Q.5
A two-terminal variable resistor is known as a
  • potentiometer
  • thermistor
  • rheostat
  • wiper
Q.6
Current flows in a circuit when
  • A switch is opened
  • A switch is closed
  • The switch is either open or closed
  • There is no voltage
Q.7
Eighttenths coulomb passes a point in 4 s. The current in amperes is
  • 1.6 A
  • 16 A
  • 2 A
  • 0.2 A
Q.8
The unit of electrical charge is the
  • Coulomb
  • Joule
  • Volt
  • Watt
Q.9
The nominal value of a brown, black, yellow, and gold resistor is 100,ohms.
  • True
  • False
Q.10
A voltmeter is connected across the current path.
  • True
  • False
Q.11
A free electron is a valence electron that has broken away from its parent atom.
  • True
  • False
Q.12
The atomic number is the number of neutrons in the nucleus.
  • True
  • False
Q.13
An ohmmeter is an instrument for measuring
  • Current
  • Voltage
  • Resistance
  • Wattage
Q.14
A red, red, orange, gold resistor has a nominal value of
  • 22,000 Ω
  • 2,200 Ω
  • 22 Ω
  • 2.2 Ω
Q.15
A twoterminal variable resistor is known as a
  • Potentiometer
  • Thermistor
  • Rheostat
  • Wiper
Q.16
A wiper is the sliding contact in a
  • Switch
  • Photoconductive cell
  • Thermistor
  • Potentiometer
Q.17
When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
  • 12.5 C
  • 1.25 C
  • 0.5 C
  • 5 C
Q.18
An ammeter is connected across the current path.
  • True
  • False
Q.19
Electrons in the outer orbit are called
  • Nuclei
  • Valences
  • Waves
  • Shells
Q.20
Which of the following is not a type of energy source?
  • Generator
  • Rheostat
  • Solar cell
  • Battery
Q.21
A thermistor is a type of
  • Switch
  • Resistor
  • Battery
  • Power supply
Q.22
The maximum resistance value for a brown, red, yellow, gold resistor is
  • 126,000 Ω
  • 126,600 Ω
  • 114,000 Ω
  • 132,000 Ω
Q.23
A neutral atom is one with an equal number of protons and electrons.
  • True
  • False
Q.24
An open circuit is one that has a complete current path.
  • True
  • False
Q.25
An ammeter is an electrical instrument used to measure
  • Current
  • Voltage
  • Resistance
  • None of the above
Q.26
The current in a given circuit is not to exceedA. Which value of fuse is best?
  • A fuse is not necessary
  • 10 A
  • 24 A
  • 20 A
Q.27
A potentiometer is a twoterminal variable resistor.
  • True
  • False
Q.28
A material that does not allow current under normal conditions is a/an
  • Insulator
  • Conductor
  • Semiconductor
  • Valence
Q.29
Free electrons make current possible.
  • True
  • False
Q.30
The colored bands for a 4,ohm resistor with a ten percent tolerance are
  • Yellow, violet, red, gold
  • Yellow, violet, orange, gold
  • Yellow, violet, red, silver
  • Orange, violet, red, silver
0 h : 0 m : 1 s