Electronic components

What type of resistor is likely to be used to manually control a lighting dimmer switch?

• LDR

• preset resistor

• variable resistor

•  trimming resistor

Which one of the following functions is performed by a capacitor?

• switching

• amplification

• amplification

• store a charge

Which one of the following functions is performed by a resistor?

• digital control

• storing a charge

• rectification

• voltage division

What is signified by the THIRD colour band on a resistor?

• tolerance value

•  multiplier

• voltage rating

• power rating

What is the insulating layer in a capacitor called?

• electrolyte

• cathode

• insulator

• dielectric

What resistor tolerance value is signified by the colour gold?

• +/- 5%

• +/- 2%

•  +/- 10%

•  +/- 1%

What is signified by the FOURTH colour band on a resistor?

•  voltage rating

• tolerance value

•  power rating

• multiplier

What resistor tolerance value is signified by the colour silver?

•  +/- 5%

•  +/- 10%

•  +/- 2%

• +/- 1%