WorksheetsBasic Electronics
Total questions: 14
Worksheet time: 8mins
What is the unit of measurement for resistance?
Voltage
Ampere
Watts
Ohms
SI unit of current is
ampere
metre
ohm
volt
How is the amount of voltage and current linked?
The higher the voltage the more current can flow
The lower the voltage the more current can flow
As the resistance of a circuit increases, the current will...
increase
decrease
stay the same
What is the resistance if the voltage is 10V and the current is 2A?
20 Ω
5 Ω
12 Ω
8 Ω
Open
Short
What will happen if you forget to include one of these in the circuit?
The current will go too fast
The LED will burn out
The circuit will overload
All of the above
What is this called?
Jumper wires
Circuit
Battery leads
Breadboard
A tool that measures voltage, current, resistance, and continuity is called a:
voltmeter
resistor
multimeter
screwdriver
On a multimeter the black probe is connected to__
Amperage
COM (which is negative)
Continuity
COM (which is positive)
Which is TRUE in relation to the pins of an LED?
The long leg is the anode (positive pin) and the short leg is the cathode (negative pin)
The long leg is the anode (negative pin) and the short leg is the cathode (positive pin)
The long leg is the cathode (negative pin) and the short leg is the anode (positive pin)
The long leg is the cathode (positive pin) and the short leg is the anode (negative pin)
A potentiometer is best described as...
a variable resistor that changes the amount of resistance provided as the knob is turned
a variable resistor that changes the amount of voltage provided as the knob is turned
a pot that can change the brightness of an LED
a variable resistor that outputs the voltage of the circuit
