Simple Electric Circuit 1
What is a simple electric circuit?
A. A path where electricity flows
B. A broken wire
C. A light only
D. A switch only
A
Which material is a conductor?
A. Plastic
B. Rubber
C. Wood
D. Copper
D. Copper
What is a short circuit?
A. Electricity takes the wrong path
B. Electricity flows normally
C. Bulb lights properly
D. Switch works well
A. Electricity takes the wrong path
What should you do before touching an appliance?
A. Make sure hands are dry
B. Stand on water
C. Pull the wire
D. Touch metal
Electron
What is an electromagnet?
A. A magnet using electricity
B. A natural magnet
C. A battery
D. A wire
A. A magnet using electricity
Which object supplies electricity in a circuit?
A. Connector
B. Power Source
C. Load
D. Switch
B. Power Source
What is the main job of wires?
A. Block electricity
B. Store electricity
C. Carry electricity
D. Stop electricity
C. Carry electricity
What can cause a short circuit?
A. Wires touching
B. Using a switch
C. Turning off lights
D. Unplugging devices
A. Wires touching
What should you NOT touch with wet hands?
A. Book
B. Pencil
C. Electrical plug
D. Paper
C. Electrical plug
What do you need to make an electromagnet?
A. Nail, wire, battery
B. Paper, water, wood
C. Plastic, wire, cloth
D. Rubber, battery, paper
A. Nail, wire, battery
Which part of the circuit lights up?
A. Battery
B. Wire
C. Bulb
D. Switch
C. Bulb
Which is NOT part of a simple circuit?
A. Battery
B. Wire
C. Bulb
D. Paper
D. Paper
True or False: Short circuits are safe.
False
What should you do if a wire is broken?
A. Use it
B. Cover it with paper
C. Tell an adult
D. Touch it
C. Tell an adult
True or False: An electromagnet works without electricity.
False
What happens when a circuit is complete?
A. Electricity flows
B. Electricity stops
C. The battery breaks
D. The wire melts
A. Electricity flows
A device that opens and closes a circuit.
Switch
What danger can a short circuit cause?
A. Fire
B. Cold air
C. Noise
D. Darkness
A. Fire
Why should we unplug unused appliances?
A. Save electricity
B. Prevent accidents
C. Avoid fire
D. All of the above
D. All of the above
What happens when electricity stops?
A. Magnet stays strong
B. Magnet disappears
C. Magnet grows
D. Nothing happens
B. Magnet disappears
What happens if the wire is cut?
A. The bulb lights
B. Electricity flows faster
C. The circuit is broken
D. The switch turns on
C. The circuit is broken
A protective device that breaks the circuit when too much current flows.
Fuse
Why is a short circuit dangerous?
A. It saves electricity
B. It creates heat
C. It makes lights brighter
D. It fixes appliances
B. It creates heat
Which is a safe habit?
A. Pulling the wire
B. Overloading sockets
C. Using dry hands
D. Touching exposed wires
C. Using dry hands
What happens when you add more coils of wire?
A. Magnet becomes weaker
B. Magnet becomes stronger
C. Nothing changes
D. Battery breaks
B. Magnet becomes stronger