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WorksheetsElectricity and circuits
Total questions: 33
Worksheet time: 34mins
When the switch is closed the buzzer will sound because -
To complete the circuit, a wire should be placed from —
Why does the following circuit not work?
The light bulb is broken
The switch is closed
The wood block is an insulator
The battery is dead
Mrs. Rodriguez has a battery, wooden spoon, copper wire, metal paperclip, and a light bulb. Which materials does Mrs. Rodriguez need in order to create a complete circuit?
battery, wooden spoon, copper wire, and light bulb
battery, metal paperclip, copper wire, and light bulb
metal paperclip, copper wire, and light bulb
battery, wooden spoon, and light bulb
Which of these uses mains electricity?
The purpose of wires are to?
Turn a switch on
Turn off a light
Carry electric current to different parts of the circuit
Make a motor move
The purpose of a switch is to?
Start and stop electric current
Make a motor move
Turn on a light
Heat up wires
The minus sign on a battery shows which terminal?
Positive
Negative
If one part of the circuit is broken what will happen?
The electricity will continue to flow
The electricity will stop flowing
The electricity will move faster
The electricity will move slower
An example of a conductor of electricity is
rubber
plastic
glass
copper
Why electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
Tammy makes a complete simple circuit with one bulb and three batteries. The bulb lights for an instant and then goes out. Why?
Too much electricity flows through the bulb's filament
Not enough electricity flows around the circuit
The batteries are flat
The batteries are not good
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?
A
B
C
D
2 answers:
Open circuit or closed circuit?
Will the light bulb light up?
Open circuit
Closed circuit
Light bulb WILL light up
Light bulb WILL NOT light up
If the light in the classroom is not working after you turned it on, which component(s) might be faulty?
The switch might be broken
There wiring might not be connected properly
The bulb might have fused
The power is off
which of these cells does not convert chemical energy to electrical energy?
dry cell
solar cell
car battery
button cell
What would happen when we slide the switch back?
The bulb will not glow
The bulb will glow
The bulb will fuse
None of the above
In the torch , the current flows from one end to the other end through wires and bulb. This path gives power to the bulb to be lighted on. This path is called ..
Incomplete circuit
Complete circuit
Double circuit
Parallel circuit
