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ETA CERTIFICATION TEST 2024!!
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ETA CERTIFICATION TEST 2024!!
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ETA CERTIFICATION TEST 2024!!Which symbol is used for ohms of resistance? Answer- Ω
A unit of energy is the: Answer- Joule
Minute particles that make up all possible elements and still retain the unique
chemical characteristics of the element are called: Answer- atoms
A component whose value is measured in microfarads is a: Answer- capacitor
Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must
be zero. Answer- True
The pole of the magnet from which the flux leaves is called the _______ pole.
Answer- north
Safety precautions to be taken when working on high voltage equipment include
which of the following? Answer- All jewelry should be removed
Which metric prefix would be used to represent 1 x 10⁻³ Answer- Milli
An electron has: Answer- a negative charge
Total power in a series circuit equals the: Answer- sum of the power dissipated by
each resistor
Invisible lines of force that surround a magnet are called: Answer- magnetic flux
lines
The basic unit of electric power is the: Answer- watt
With three 4.5 kΩ resistors and one 1.5 kΩ resistor in parallel, the total resistance is:
Answer- 750 Ω
The basic unit of length in the metric system is the: Answer- meter
What two types of energy are used throughout electronics? Answer- Kinetic and
potential
, Electrical direct current flowing in a wire produces a magnetic field: Answer- parallel
to the wire
Battery cells are connected in parallel to: Answer- increase current capacity
Which class of fire extinguisher is used on oil fires? Answer- Class B
When the resistance of a series circuit decreases, ____________. Answer- total
current increases
A material is magnetized when the: Answer- domains are in alignment
If a series circuit has two 13 kΩ resistors with a source voltage of 10 V, the wattage
is: Answer- 3.85 mW
What does the M+ key on a calculator do? Answer- sums the quantity on screen to
memory
The total current in a series-parallel circuit equals the: Answer- sum of the parallel
branch circuit current
The ammeter setting on a multimeter indicates what type of reading? Answer-
Current
In a series circuit, the current is _________. Answer- the same in all parts of the
circuit
_______ force produces magnetic flux. Answer- Magnetomotive
Calculate the current in the circuit below:
https://lh6.googleusercontent.com/
pJLEK44RE1QIOD0SKYb1O2KsnIGwxNNJUaWp24wPLWJDQw3QUqh9RpH7PHF
A9JWOQb8uSRm6eg=w200 Answer- 6 Amps
A component whose value is measured in Ohms is a: Answer- resistor
You should use caution when talking to someone who is operating electrical
equipment because the distraction: Answer- 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: Answer-
Ferromagnetic
It is dangerous to use wooden handle tools around high voltage due to their ability to
absorb moisture. Answer- True
Which metric prefix would be represented by 1 x 10¹²? Answer- Tera
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