7.1 Circuits Flashcards
Draw the symbol for a cell
.
Draw the symbol for a battery
.
Draw the symbol for an open switch
.
Draw the symbol for a closed switch
.
Draw the symbol for an ammeter
.
Draw the symbol for a voltmeter
.
Draw the symbol for a motor
.
Draw the symbol for a resistor
.
Draw the symbol for a thermistor
.
Draw the symbol for a fuse
.
Draw the symbol for a diode
.
Draw the symbol for an LED
.
Draw the symbol for an LDR
.
Draw the symbol for a fliament lamp (bulb)
.
Draw the symbol for a variable resistor
.
Draw the symbol for a D.C. supply
.
Draw the symbol for an A.C. supply
.
Current flows in which direction?
From positive terminals to negative terminals
What does LED stand for?
Light-emitting diode
What does LDR stand for?
Light-dependent resistor
What does an ammeter measure? How should it be connected in a circuit?
Current
Must be connected “in series” (in line with a circuit)
What does a voltmeter measure? How should it be connected in a circuit?
Voltage (potential difference)
Must be connected “in parallel” (across a component of a circuit)