WorksheetsElectric Current and Ohm's Law
Total questions: 12
Worksheet time: 9mins
Current flow requires a(n) --- and a(n) ---.
potential difference / circuit breaker
static charge / switch
solar cell / generator
potential difference / closed path
Electric current is calculated by ---.
dividing charge by time
multiplying potential difference by charge
dividing work by charge
multiplying power by potential difference
As current flows, ---.
the electric charge gets used up and evaporates by the time the other terminal of the battery is reached
the electric charge builds up on circuit elements like light bulbs until the switch is opened
the electric charge loses potential energy as it flows through each circuit element
the electric charge slows down as it moves through each circuit element
"Voltage" is a common term for ---.
potential difference
current
charge
electric potential energy
A current of 0.050 A that flows through a light bulb for 40 s means --- electric charge passed through.
2.0 C
800 C
0.00125 C
0.050 C
--- is measured in ohms (Ω).
Current
Power
Resistance
Potential difference
What size resistor would produce a 3 amp current flow with a 12 volt battery?
1 Ohm
3 Ohms
4 Ohms
12 Ohms
Current times resistance equals ---.
(I×R)
power
voltage
amperage
ohm
Which of the following represents the rate of the flow of electricity, expressed in unit of amps?
current
circuit
voltage
resistance
You have one wire made out of a specific type of metal in front of you, but you are told that this wire has too much resistance to be useful in the circuit you are designing. You decide to find a wire ---.
that is more narrow
that is more wide
that is longer
that is made of plastic instead of metal
that is going to heat up when current runs through
