Worksheets0225 Electrocurrent Review
Total questions: 12
Worksheet time: 8mins
When a third bulb is added to a series circuit, the first two bulbs become less bright.
True
False
No matter how many light-bulbs we add to a series circuit, the Voltage across the entire circuit never changes.
True
False
A third bulb is added to a series circuit. What happens to the current in the circuit?
Increases
Decreases
Stays the same.
What type of circuit is this?
series
parallel
This is not a circuit; I cannot be fooled.
A third light-bulb is added to a parallel circuit. The lights stay the same brightness.
True
False
A third bulb is added in parallel to a circuit. What happens to the overall resistance in the circuit?
Increases
Decreases
Stays the same.
All devices in a parallel circuit have the same voltage.
True
False
What type of circuit is this?
Series
Parallel
Complex
What is the equation form of Ohm's Law?
P = IV
V = IR
v = x/t
I = q/t
A 6V battery powers a 3 ohm bulb in a flashlight. What is the current in this series circuit?
18 A
2 A
9 A
3 A
A 12 watt bulb draws 2 amps of current. What is the voltage?
24 V
14 V
10 V
6 V
Select the four factors that control the resistivity of a wire.
material
temperature
length
density
gauge (width)
