Exam (elaborations)
CT FINAL CYLE 6 STUDY GUIDE (CRAS) QUESTIONS WITH CORRECT ANSWERS 2024
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CT FINAL CYLE 6 STUDY GUIDE (CRAS)
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CT FINAL CYLE 6 STUDY GUIDE (CRAS)If resistance increases and voltage remains constant, the current will....? - answer
Decrease
The unit of measurement used for Current is....? - answer Amps
AC and DC have a constant, non-changing polarity - answer False
The total resistance (or AC impedance) of one 8 ohm and one 16 ohm speaker wired in
series with each other would be....... - answer24 Ohms
If voltage increases and resistance remains constant, the current will....? - answer
Increase
The total resistance (AC impedance) of two 8 ohm speakers wired in parallel with each
other would be - answer4 Ohms
In a parallel circuit, the total resistance of the circuit is always lower than the smallest
branch resistance in the circuit. - answer True
What happens to total resistance in a parallel circuit when you add another branch to
that circuit? - answer Decreases
A microphone transduces sound into AC voltage. - answerTrue
The formulas stating the mathematical relationship between voltage, current and
resistance are known as....? - answerOhms Law
In a parallel circuit, the total current is the sum of the individual branch currents. -
answerTrue
In a series circuit ....(A) - answervoltage will drop across each resistor
In a series circuit......(B) - answeryou add up the resistor values in the circuit to
determine the total resistance.
In a series circuit.... (C) - answerthe amount of current flowing would be the same
through all resistors
A "short circuit" means there is no path for current to flow and no current flowing in the
circuit. - answerFalse
, Voltage is equivalent to which of the following? - answerPressure
In the US, if you measure the voltage between the hot and ground wires on an AC
outlet, what should the voltage measure? - answer120VAC
The output side of a transformer is called the... - answerSecondary Winding
What unit of measurement do we use for Current? - answerAmps
True or False: Voltage can be described as the pressure that causes current to flow. -
answerTrue
True or False: A shorter, thicker wire will usually have more resistance than a thinner,
longer wire. - answerFalse
In the US, the voltage between the hot and neutral terminal of an AC outlet should
measure - answer120VAC
The input side of a transformer is called the.....? - answerPrimary Winding
True or False: A dynamic microphone works on the principle of electromagnetic
induction. - answerTrue
A preamp has _________________________voltage gain compared the voltage gain in
a power amp. - answerA higher
A ______________________ cable has the best noise rejection and cancellation? -
answerUnbalanced
What does a power supply do? - answerConverts AC to DC
What are the most important things to know about troubleshooting a problem with a
piece of equipment? - answerHow the equipment works. & What the manual says.
True or False: A transformer converts AC voltage & current to another AC voltage and
current. - answerTrue
What is the purpose of impedance matching? - answerMaximizing power transfer
Maximizing efficiency
Maximizing headroom
If you needed to lower the resistance in a circuit you could....? - answeradd another
resistor in a parallel branch
Which is NOT a correct equation?
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