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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