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Worksheets5F Electrical Energy Transfer
Total questions: 16
Worksheet time: 9mins
Electric current (Amps) is a measure of ____.
The net movement of electric charges.
Static electricity
Electrical resistance
Energy
A material or object that LIMITS OR SLOWS the flow of electrons is a(n)
Conductor
Insulator
Resistor
Transformer
A material or object that BLOCKS the flow of electrons is a(n) ____.
Conductor
Insulator
Resistor
Transformer
The image shows which type of circuit?
Continuous
Discontinuous
Series
Parallel
The image shows which type of circuit?
Continuous
Discontinuous
Series
Parallel
Most electrical circuits are designed as parallel circuits. Which of the following is the greatest advantage of a parallel circuit?
You can control all of the objects with a single switch, no matter where you place it in the circuit.
You can turn everything off by turning off one object in a room.
You know when something burns out because everything goes out.
When something burns out or is turned off it doesn’t affect electrical flow to other objects.
How much current is used by a 120V refrigerator that uses 650 W of power?
.18 Amps
120 Amps
5.4 Amps
78,000 Amps
What is a common source for a voltage difference
Circuits
Batteries
Lightning
Wire
Which of the following is an insulator?
Copper
Salt Water
Silver
Wood
What is unit is used to measure voltage?
Ohms
Volts
Amperes
Coulumbs
This is the symbol for a(n) ..................?
single cell
bulb
battery
AC current source
It is more complex than parallel circuits.
If one part of the circuit fails the entire circuit fails.
It produces less current than a parallel circuit.
There are no problems with using series circuits.
The total resistance in this circuit is?
How much current is used by a 120V refrigerator that uses 650 W of power?
.18 Amps
120 Amps
5.4 Amps
78,000 Amps
How much power (watts) is used by a 120V refrigerator that has 5.4 Amps of current?
22.22 Watts
648 Watts
.045 Watts
78,000 Watts
