WorksheetsElectrical Technology NCCER (11th Edition) Module 3 Review
Total questions: 15
Worksheet time: 7mins
A type of subatomic particle with a positive charge is a(n) _____.
neutron
nucleus
proton
electron
An electrical circuit contains, at minimum, a(n) _____.
voltage source, load, and conductors
voltage source, load, and overcurrent device
ammeter, load, and voltage source
resistor, conductors, and load
Another term used for voltage is _____.
current
emf
joule
coulomb
Which of the following substances is considered an insulator?
Copper
Porcelain
Silver
Gold
Joules are _____.
the difference between voltage and current
the potential difference between two points
units of work
the rate of current flow
A resistor has a color code of black, brown, brown, and silver. What is its resistance value
and tolerance?
12Ω ±10%
10Ω ±10%
12Ω ±5%
10Ω ±5%
Current is measured in units called _____.
amperes
volts
watts
joules
In a parallel circuit, the total resistance is _____.
proportional to the smallest resistance
less than the smallest resistance
greater than the smallest resistance
equal to the smallest resistance
Resistance is measured in _____.
volt-amperes
coulombs
amperes
ohms
Circuit continuity can be checked using a(n) _____.
ammeter
voltmeter
ohmmeter
wattmeter
To calculate the current flowing in a circuit, you must _____.
divide voltage by resistance (E/R)
multiply voltage by resistance (E × R)
divide resistance by power (R/P)
multiply power by resistance (P × R)
An ammeter is used to measure _____.
power
current
resistance
voltage
The power in a 120V circuit with a current of 5A is _____.
600W
120W
5W
240W
The opposition to current flow is known as _____.
power
voltage
emf
resistance
The voltage commonly supplied to a residence by the local utility is _____.
480V/600V
120V/240V
360V/480V
208V/230V
