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WorksheetsPhysics 12-4 Electric Circuits & Power
Total questions: 18
Worksheet time: 9mins
What was the first battery made of?
zinc, silver, and saltwater
copper, zinc, and vinegar
glass, metal, and saltwater
copper, silver, and vinegar
What states that resistance is equal to the voltage divided by the current?
Ohm's Law
Newton's Law
Pascal's Law
Volt's Law
What kind of electric circuit has only one path for current to take?
series circuit
parallel circuit
static circuit
short circuit
What device is used to measure current?
ammeter
voltmeter
ohmmeter
currentmeter
What type of electric circuit has multiple paths for current to take?
parallel circuit
series circuit
static circuit
short circuit
What device is used to measure voltage, or electrical potential energy difference?
voltmeter
ammeter
ohmmeter
currentmeter
What is the rate at which energy is transformed from one form to another called?
power
voltage
energy
electricity
What three related electrical factors did Georg Ohm investigate?
current, resistance, and voltage
voltage, power, and current
resistance, power, and voltage
none of these
The current through a resistor is 0.025 A when it is connected to a 10 V voltage source. What is the resistance?
(HINT: Use VCR)
0.25 ohms
0.0025 ohms
400 ohms
40 ohms
A refrigerator uses a standard voltage of 120 V and has a current of about 4.2 A. What is its power rating?
(HINT: Use PVC)
504 Watts
28.6 Watts
0.035 Watts
80 Watts
What is the function of the conducting wires in a circuit?
to run devices in a circuit
to provide a source of energy in a circuit
to allow the charges to flow to and from the energy source
to open and close the circuit
What is the unit of power?
Watt
Ohm
Volt
Amp
There is only one path for the current to take in a _____ circuit.
series
parallel
static
grounded
What kind of circuit does the circuit diagram show?
parallel circuit
series circuit
static circuit
broken circuit
Suppose bulb 1 burns out, what will happen to bulb 2?
it will stay lit
it will go out
it will become brighter
it will become dimmer
Suppose bulb 2 burns out. What will happen to bulb 3?
it will stay lit
it will go out
it will become an insulator
it will become the voltage source
How many fish did the fisherman catch at 7am?
4
5
6
7
How many votes did the movie with the MOST votes get?
1
5
10
7
