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Electrical Engineering
Series Circuits
Quiz 4
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Q.1
If the resistance total in a series circuit doubles, current will:
be the same
be doubled
reduce source voltage
be halved
Q.2
One of the most common applications of a potentiometer is as an adjustable voltage divider, also known as
voltage control
current control
volume control
divider control
Q.3
1 Ohm is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
1 Volt / Ampere
Q.4
The brightness of a lightbulb is most closely related to
its resistance.
the voltage drop across it.
the current through it.
the power dissipated by it.
Q.5
1 Watt is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
1 Volt / Ampere
Q.6
CIrcuit elements connected in parallel have the same
voltage drop across them.
current through them.
power dissipation by them.
None of the above.
Q.7
CIrcuit elements connected in series have the same
voltage drop across them.
current through them.
power dissipation by them.
None of the above.
Q.8
Ω resistors are hooked in series. The equivalent resistance will be
less than 100 Ω.
100 Ω.
more than 100 Ω.
More information is needed.
Q.9
Ω resistors are hooked in parallel. The equivalent resistance will be
less than 100 Ω.
100 Ω.
more than 100 Ω.
More information is needed.
Q.10
1 Volt is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
All of above
Q.11
1 Ampere is the same as
1 Coulomb / second
1 Joule / Coulomb
1 Joule / second
None of these
Q.12
What happens to total current in a series circuit when the total voltage stays the same, circuit resistance decreases, current will ____________.
increase
Stay the same
Decrease
All of above
Q.13
What is the total circuit resistance of twoohm resistors and threeohm resistors connected in series?
100 ohms
200 ohms
275 ohm
175 ohms
Q.14
What is the total circuit resistance of the following five resistors connected in series?R1 =ohmsR2 =ohmsR3 =ohmsR4 = 1.2 kohmsR5 =ohmsRt = __________ Ohms
353.2
1551
1.9 K
All of above
Q.15
The formula E2/R
Voltage
Current
Power
Resistance
Q.16
The formula I2 * R is used to find what?
Current
Voltage
Resistance
Power
Q.17
This circuit has only one path for current to flow
series
parallel
combination
split
Q.18
When a resistor in a series circuit is replaced by another resistor with an increased resistance value, the total circuit current will __________.
stay the same
decrease
increase
double in value
Q.19
Name the charged particle, which is part of an atom, that flows in a circuit
proton
electron
neutron
elepton
Q.20
Total series circuit wattage is equal to source voltage ____.
multiplied by the voltage value going through any resistor
multiplied by the current value going through any resistor
divided by the current value going through any resistor
divided by the voltage applied to the circuit and the total resistance of the circuit
Q.21
The wattage value for any resistor is equal to ____.
I X R
E/R
I X E
I/R
Q.22
With threeresistors connected in series with avolt power supply, the total circuit current will equal ____.
300 amps
1 amp
150 amps
1 millamp
Q.23
Voltage drop stands for what?
the voltage applied to a circuit
the voltage flowing through a resistor
the voltage used by a load
Q.24
How many different types of circuits are there?
1
3
2
4
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