Electric Circuit Test
A parallel circuit is powered by a 9 volt battery. The circuit has three branches
and each branch has a 2 ohm light bulb on it. What is the voltage of the
circuit?______ Is the voltage the same at every place on the circuit?_______ -
correct answer ✔9 V, Yes
True or False: If a circuit includes two 3 Ohm resistors and a 12 Volt battery,
more current will flow through each resistor if they are wired in series than if
they are wired in parallel. - correct answer ✔F
Match Ohm's Law with the correct definition - correct answer ✔The ratio of
voltage (V) to current (I) is a constant for each material. A German school
teacher, Georg Ohm, studied the resistance of materials and discovered when
resistance goes up, the current goes down, and when reisistance decreases,
the current increase
A ______________ is a type of material with no electrical resistance when it is
cooled to its ___________ temperature. - correct answer ✔superconductor,
critical
True or False: Voltmeters can only measure voltage drop in parallel. - correct
answer ✔T
Express Ohm's Law in terms of current - correct answer ✔I=V/R
True or False: When you add a resistance to a parallel circuit the total
resistance increases. - correct answer ✔False
, True or False:When one branch of a parallel circuit has an open circuit,
current in other branches is disrupted. - correct answer ✔F
True or False: Ammeters are used to measure current and are connected in
parallel. - correct answer ✔F
True or False:A series circuit has only one current path. - correct answer ✔T
When you add a resistance to a series circuit the total resistance increases. -
correct answer ✔T
As more resistors are added to a series circuit, then the overall resistance of
the circuit will ______ - correct answer ✔increase
The relationship between voltage, current, and resistance can be expressed
using _____. - correct answer ✔Ohm's Law
True or False:A parallel circuit is like a river that splits into several paths and
rejoins downstream. - correct answer ✔T
Filaments in a light bulb glow when current flows through due to high
___________ of the metal. When the temperature of a conductor goes up the
resistance ______. - correct answer ✔resistance... increases
In a series circuit... (3) - correct answer ✔1-the sum of all the voltage drops
is equal to the source voltage
2-the current is the same throughout the entire circut
3-there is a voltage drop across each resistance
A parallel circuit is powered by a 9 volt battery. The circuit has three branches
and each branch has a 2 ohm light bulb on it. What is the voltage of the
circuit?______ Is the voltage the same at every place on the circuit?_______ -
correct answer ✔9 V, Yes
True or False: If a circuit includes two 3 Ohm resistors and a 12 Volt battery,
more current will flow through each resistor if they are wired in series than if
they are wired in parallel. - correct answer ✔F
Match Ohm's Law with the correct definition - correct answer ✔The ratio of
voltage (V) to current (I) is a constant for each material. A German school
teacher, Georg Ohm, studied the resistance of materials and discovered when
resistance goes up, the current goes down, and when reisistance decreases,
the current increase
A ______________ is a type of material with no electrical resistance when it is
cooled to its ___________ temperature. - correct answer ✔superconductor,
critical
True or False: Voltmeters can only measure voltage drop in parallel. - correct
answer ✔T
Express Ohm's Law in terms of current - correct answer ✔I=V/R
True or False: When you add a resistance to a parallel circuit the total
resistance increases. - correct answer ✔False
, True or False:When one branch of a parallel circuit has an open circuit,
current in other branches is disrupted. - correct answer ✔F
True or False: Ammeters are used to measure current and are connected in
parallel. - correct answer ✔F
True or False:A series circuit has only one current path. - correct answer ✔T
When you add a resistance to a series circuit the total resistance increases. -
correct answer ✔T
As more resistors are added to a series circuit, then the overall resistance of
the circuit will ______ - correct answer ✔increase
The relationship between voltage, current, and resistance can be expressed
using _____. - correct answer ✔Ohm's Law
True or False:A parallel circuit is like a river that splits into several paths and
rejoins downstream. - correct answer ✔T
Filaments in a light bulb glow when current flows through due to high
___________ of the metal. When the temperature of a conductor goes up the
resistance ______. - correct answer ✔resistance... increases
In a series circuit... (3) - correct answer ✔1-the sum of all the voltage drops
is equal to the source voltage
2-the current is the same throughout the entire circut
3-there is a voltage drop across each resistance
