CWEA E/I, 2 Study Guide/ 141 Qs & Correct Ans/ . Terms like:
A coil of wire that carries an electric
current is called a:
a. conductor.
b. thermocouple.
c. electro current.
d. electromagnet - Answer: d electromagnet
CWEA E/I, 2 Study Guide/ 141 Qs & Correct
Ans/ 2024-2025.
A coil of wire that carries an electric
current is called a:
a. conductor.
b. thermocouple.
c. electro current.
d. electromagnet - Answer: d electromagnet
The relationship between an electric
current and a magnetic field is called:
a. matter.
b. atoms.
Page 1 of 39
,c. electromagnetism.
d. element - Answer: c electromagnetism
Electrons flowing from one place to
another make a:
a. current.
b. track.
c. circuit.
d. channel - Answer: a current
Between two objects, the development
of static charges creates a:
a. potential difference.
b. battery.
c. thermocouple.
d. resistance - Answer: a potential difference
Metals are good conductors because
they have many:
a. insulators.
b. free electrons.
c. resistors.
d. inductors. - Answer: b free electrons
The amount of potential difference a layer of
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,insulation can withstand without breaking down is:
a. resistance.
b. voltage drop.
c. dielectric strength.
d. ampacity - Answer: c dielectric strength
What is the property of a coil of wire that opposes any change in the current in
the coil?
a. Inductance
b. Resistance
c. Impedance
d. Watts - Answer: a Inductance
What is the correct name for "voltage" or electromotive force?
a. Element
b. Electron
c. Circuit
d. Potential difference - Answer: d Potential difference
A rate of flow of one coulomb per second
is called one:
a. ampere.
b. joule.
c. volt.
d. olhum. - Answer: a ampere
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, What is the name for the proportional relationship
between potential difference and current?
a. Voltage drop
b. Voltmeter
c. Ampmeter
d. Watt meter - Answer: b Voltmeter
What is the unit of measurement for capacitive
reactance?
a. Volts
b. Ohms
c. Amps
d. Power factor - Answer: b Ohms
Power companies use AC generators because AC can be sent over long distances:
a. at high cost.
b. at low cost.
c. slower.
d. faster. - Answer: b at low cost
What device changes alternating current to a
different combination of voltage and current?
a. Generator
b. Capacitor
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