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Which symbol is used for ohms of resistance? ✔✔Ω
A unit of energy is the: ✔✔Joule
Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called: ✔✔atoms
A component whose value is measured in microfarads is a: ✔✔capacitor
Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must be zero. ✔✔True
The pole of the magnet from which the flux leaves is called the _______ pole. ✔✔north
Safety precautions to be taken when working on high voltage equipment include which of the following? ✔✔All jewelry should be removed
Which metric prefix would be used to represent 1 x 10⁻³ ✔✔Milli
An electron has: ✔✔a negative charge
Total power in a series circuit equals the: ✔✔sum of the power dissipated by each resistor
Invisible lines of force that surround a magnet are called: ✔✔magnetic flux lines
The basic unit of electric power is the: ✔✔watt
With three 4.5 kΩ resistors and one 1.5 kΩ resistor in parallel, the total resistance is: ✔✔ 750 Ω
The basic unit of length in the metric system is the: ✔✔meter
What two types of energy are used throughout electronics? ✔✔Kinetic and potential
The ammeter setting on a multimeter indicates what type of reading? ✔✔Current
In a series circuit, the current is _________. ✔✔the same in all parts of the circuit
_______ force produces magnetic flux. ✔✔Magnetomotive
Calculate the current in the circuit below:
https://lh6.googleusercontent.com/pJLEK44RE1QIOD0SKYb1O2KsnIGwxNNJUaWp24wPLW JDQw3QUqh9RpH7PHFA9JWOQb8uSRm6eg=w200 ✔✔6 Amps
A component whose value is measured in Ohms is a: ✔✔resistor
You should use caution when talking to someone who is operating electrical equipment because the distraction: ✔✔could damage the equipment
could ruin an electronic device
both could be injured
all of the above
A material that can be magnetized easily falls into this category: ✔✔Ferromagnetic
It is dangerous to use wooden handle tools around high voltage due to their ability to absorb moisture. ✔✔True
Which metric prefix would be represented by 1 x 10¹²? ✔✔Tera
The output of a lead-acid cell is approximately: ✔✔2.1 V
If a short occurs in the parallel portion of a series-parallel circuit, how will the total resistance be affected? ✔✔It will increase
______ is a term used to describe voltage. ✔✔Electromotive force
In a parallel circuit, total resistance: ✔✔is less than the resistance of any branch
In a linear electrical circuit, voltage and current are: ✔✔inversely proportional
The main purpose of a safety observer is to: ✔✔turn off equipment in use and apply emergency first aid or cardiopulmonary resuscitation if needed
With 70 volts applied to two 30 kΩ resistors in series connected to three 30 kΩ resistors in parallel forming a series-parallel circuit, what is the total current? ✔✔1 mA
In an electrical circuit where voltage and resistance are known, which form of Ohms Law is used to find the circuit current? ✔✔I=E/R
Ohms Law states that voltage is the product of resistance and current. Using algebra, how would you determine the resistance? ✔✔divide the voltage by the current
If a series circuit has a current of about 15.4mA and a source voltage of 20V, the total resistance is approximately: ✔✔ 1300 Ω
A/an _____ stops the flow of current. ✔✔insulator
A decrease in the current of a series circuit can be caused by a: ✔✔resistance increase
Fuses are rated in maximum ____ and ____. ✔✔current, voltage
Which device would most likely include a light level meter? ✔✔camera
Battery cells are connected in series to: ✔✔increase voltage output
The most common functions of a generic multimeter are: ✔✔voltmeter, ammeter, ohmmeter
Switches are rated in maximum ____ and ___. ✔✔current, voltage
Digital multimeters eliminate which of the following disadvantages of analog meters? ✔✔Parallax errors
Given a battery rated at 200 ampere-hours, how many hours will the battery be able to provide 10 amperes? ✔✔ 20
Which prefix would be used to represent 1 x 10⁶? ✔✔Mega
Kirchoff's First Law is also known as the principle of conservation of electric charge. It states that at any point, the sum of currents flowing toward that point is equal to the sum of currents flowing away from that point. ✔✔True
In a simple parallel circuit, the voltage across each branch is ____. ✔✔equal to the source voltage
Thevenin's Theorem states that it is possible to simplify any circuit containing any amount of voltage sources, current sources, or resistance, no matter how complex, to an equivalent circuit with just a single voltage source and series resistance connected to a load. ✔✔True
The Law of Static Electrical Charges states: ✔✔like charges repel
In order to eliminate possible fire hazards, rags should be stored in: ✔✔metal containers
A basic atom must contain what two types of subatomic particles? ✔✔electron and proton
When resistors are added in parallel to a parallel circuit, total current: ✔✔increases
