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- 1. Multiple Choice
The positive leg of a diode is called...
anode
base
cathode
gate
- 2. Multiple Choice
The negative leg of a diode is called...
anode
base
cathode
gate
- 3. Multiple Choice
The formula for resistors in series is...
- 4. Multiple Choice
Which is usually used in a bridge rectifier circuit?
laser diode
light emitting diode
power diode
signal diode
- 5. Multiple Choice
The unit used to measure resistance is....
farad
ohm
volt
watt
- 6. Multiple Choice
The unit used to measure capacitance is....
farad
ohm
volt
watt
- 7. Multiple Choice
Which can be used to protect a transistor from back emf?
capacitor
diode
motor
resistor
- 8. Multiple Choice
Which can be used to control the time constant of an RC circuit.
bulb
diode
motor
resistor
- 9. Multiple Choice
True or false
Polarized components can be placed any way around in a circuit.
True
False
- 10. Multiple Choice
True or false
All capacitors are polarised components
True
False
- 11. Multiple Choice
True or false
Resistors can be fixed or variable
True
False
- 12. Multiple Choice
Resistors.....
allow current to flow in one direction only
store electrical charge
reduce the flow of current in a circuit
- 13. Multiple Choice
Diodes....
allow current to flow in one direction only
store electrical charge
reduce the flow of current in a circuit
- 14. Multiple Choice
Capacitors....
allow current to flow in one direction only
store electrical charge
reduce the flow of current in a circuit
- 15. Multiple Choice
Polarised or non polarised component?
Fixed resistor
Polaried component
Non-polarised component
- 16. Multiple Choice
Polarised or non polarised component?
Diode
Polaried component
Non-polarised component
- 17. Multiple Choice
Polarised or non polarised component?
Electrolytic capacitor
Polaried component
Non-polarised component
- 18. Multiple Choice
Polarised or non polarised component?
Ceramic capacitor
Polaried component
Non-polarised component
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