Questions and Answers |
Already Graded A+
A(n) __________ is used to measure resistance. - ANSWER
✔✔Ohmmeter
What is the total measurement of voltage over the power source called?
- ANSWER ✔✔Applied Voltage
Rotary motion is the output of which electrical output device? -
ANSWER ✔✔Motor
Current is measured in units of __________. - ANSWER ✔✔Amps
,What step should be taken to correctly measure the resistance of a
resistor that is wired in a circuit? - ANSWER ✔✔Disconnect one end
of the resistor
The resistance provided by an inductor in an AC circuit is called
__________. - ANSWER ✔✔Inductive reactance
What does hertz stand for on a sine wave graph? - ANSWER
✔✔Cycles per second
What is the total inductance of a series circuit if the power supply
frequency is 60 Hz and 3 coils each have an inductance of 0.3 henrys? -
ANSWER ✔✔0.9 Henrys
A common application of mutual inductance is found in a device called a
__________. - ANSWER ✔✔Transformer
What is the secondary voltage if the primary is 480VAC? (The primary
coil have 300 turns and the secondary coil has 125 turns)* -
ANSWER ✔✔200 VAC
Which of the following is not a component of a basic electrical circuit? -
ANSWER ✔✔Insulator
What is the thin insulator placed between the plates of a capacitor
called? - ANSWER ✔✔Dielectric
, One of the effects a capacitor has in a DC circuit is that it will
__________. - ANSWER ✔✔Charge to a voltage equal to the source
voltage
Capacitance is measured in __________. - ANSWER ✔✔Farads
What is a drawing showing electrical symbols and paths? - ANSWER
✔✔Schematic
Current in a(n) __________ circuit is divided among the branches of the
circuit. - ANSWER ✔✔Parallel
When the wire or foil strip inside a fuse melts, the fuse is said to be
_________. - ANSWER ✔✔Blown
The potential difference between two points in a circuit is called
__________. - ANSWER ✔✔Voltage
To measure current through a component, the ammeter must be
connected __________ the component. - ANSWER ✔✔In series with
What creates an electric field and stores electricity? - ANSWER
✔✔Capacitor
What should you do before working on electrical equipment? -
ANSWER ✔✔Preform a lockout/tagout
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