Circuits. Flashcards
What is the symbol for the voltmeter?
V with a circle around it.
What is the missing word in this sentence?
A ______ can open and close a circuit. If it’s closed then the current will flow.
Switch.
What 3 things do you need in order for the light bulb to work?
Lamp, Wires, Battery.
What happens to a light when the wires are cut or aren’t connected?
The light bulb doesn’t work.
What does it mean when there is an open switch in a circuit?
The current cannot flow.
What does it mean when there is a closed switch in a circuit?
The current can flow.
What does it mean when there is a fuse?
It will blow and break the circuit if the current is to high.
Fill in the gaps in this sentence:
A cell provides a _________ difference. Many cells connected in series form a _______.
- Potential.
- Battery.
What is the symbol for an Ammeter?
An A with a circle around it.
What is the symbol for a Motor?
An circle with an M in it.
What is the symbol for a lamp?
A circle with an a X in it.