photodiodes

Type of optoelectronic element that produces electricity when the light gets into it...

• Phototransistor

• Photodiode

• Photoresistor

The LED could work at AC current in the electronic circuit.

• true

• false

Dc semiconductor electric element that emit light when the current flows across it.

• LED

• Light bulb

• phototransistor

Electronic element known by the abbreviation LDR

• Photodiode

• Photoresistor

• LED

opto-electronic element used for amplification of current.

• Phototransistor

• photodiode

• Photoresistor

Write the abbrevation OLED out in full.

(a)  

The rated voltage of a red LED is

• 2 V

• 3.2 V

• 7 V

The rated voltage of a yellow LED is

• 2.1 V

• 3.2 V

• 7 V

The rated voltage of a blue LED is

• 2.1 V

• 3.5 V

• 7 V

The resistance and the intensity of the light in the photo-resistor are proportional

• False

• True