DC Circuits-Final Exam multiple questions with verified
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answers
A break in the current path of a series circuit is called a - ✔✔open
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When measuring a fuse with an ohmmeter, a good fuse measures - ✔✔0 Ω
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To find the resistance of an entire series-parallel circuit, - ✔✔combine the parallel resistances
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in each bank and add the series resistance
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In a series circuit containing an open, all the good components will have a voltage of - ✔✔0
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volts
A common application of series circuits is to use a resistance - ✔✔drop the voltage from the
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source to a lower value || || || ||
If resistance is equal in all branches, the combined equivalent resistance equals the value of
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one branch resistance divided by the number of branches - ✔✔True
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In a series circuit, the IR drops - ✔✔add to equal the applied voltage
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Power is generated by the source of applied voltage and consumed in the resistance as heat -
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✔✔True
Ohm's law states that the amount of current is directly proportional to the voltage and
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inversely proportional to the resistance - ✔✔True || || || || || ||
, The current in an open branch of a parallel circuit is - ✔✔zero
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The combined equivalent resistance across the main line in a parallel circuit can be found by
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using - ✔✔Ohms law
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Digital multimeters are generally easier to use because - ✔✔they eliminate human error that
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often occurs in reading scales on an analog meter
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With parallel branches, a lower resistance takes more branch current, equal to V/R - ✔✔True
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Power is equal to voltage times current - ✔✔True
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A circuit that provides only one path for current flow is a(n) - ✔✔series circuit
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If one 120 V, 100 W bulb was connected across a 240 V source - ✔✔excessive current could
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burn out filaments
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When testing a semiconductor diode with a DMM, normal values are - ✔✔0.7 V for silicon
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and 0.3 V for germanium
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There can be more than two parallel resistances in a bank and any number of banks in series -
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✔✔True
A parallel circuit is any circuit that provides one common voltage across all components -
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✔✔True
The voltage drop across a series connected shorted component - ✔✔decreases to zero
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answers
A break in the current path of a series circuit is called a - ✔✔open
|| || || || || || || || || || || || || ||
When measuring a fuse with an ohmmeter, a good fuse measures - ✔✔0 Ω
|| || || || || || || || || || || || ||
To find the resistance of an entire series-parallel circuit, - ✔✔combine the parallel resistances
|| || || || || || || || || || || || || ||
in each bank and add the series resistance
|| || || || || || ||
In a series circuit containing an open, all the good components will have a voltage of - ✔✔0
|| || || || || || || || || || || || || || || || || ||
volts
A common application of series circuits is to use a resistance - ✔✔drop the voltage from the
|| || || || || || || || || || || || || || || || ||
source to a lower value || || || ||
If resistance is equal in all branches, the combined equivalent resistance equals the value of
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one branch resistance divided by the number of branches - ✔✔True
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In a series circuit, the IR drops - ✔✔add to equal the applied voltage
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Power is generated by the source of applied voltage and consumed in the resistance as heat -
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✔✔True
Ohm's law states that the amount of current is directly proportional to the voltage and
|| || || || || || || || || || || || || || ||
inversely proportional to the resistance - ✔✔True || || || || || ||
, The current in an open branch of a parallel circuit is - ✔✔zero
|| || || || || || || || || || || ||
The combined equivalent resistance across the main line in a parallel circuit can be found by
|| || || || || || || || || || || || || || || ||
using - ✔✔Ohms law
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Digital multimeters are generally easier to use because - ✔✔they eliminate human error that
|| || || || || || || || || || || || || ||
often occurs in reading scales on an analog meter
|| || || || || || || ||
With parallel branches, a lower resistance takes more branch current, equal to V/R - ✔✔True
|| || || || || || || || || || || || || ||
Power is equal to voltage times current - ✔✔True
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A circuit that provides only one path for current flow is a(n) - ✔✔series circuit
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If one 120 V, 100 W bulb was connected across a 240 V source - ✔✔excessive current could
|| || || || || || || || || || || || || || || || || ||
burn out filaments
|| ||
When testing a semiconductor diode with a DMM, normal values are - ✔✔0.7 V for silicon
|| || || || || || || || || || || || || || || ||
and 0.3 V for germanium
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There can be more than two parallel resistances in a bank and any number of banks in series -
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✔✔True
A parallel circuit is any circuit that provides one common voltage across all components -
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✔✔True
The voltage drop across a series connected shorted component - ✔✔decreases to zero
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