If I were to swap the photo transistor for an LDR, could I then say that the current will increase as the light incident on the LDR increases in a series circuit?
If I were to swap the photo transistor for an LDR, could I then say that the current will increase as the light incident on the LDR increases in a series circuit?
Thank you for your reply.
I have just created the circuit and the current measured with the ammeter varied with the lux incident on the phototransistor.
I would be very grateful if you could explain what's happening here and why the phototransistor does not act like a variable resistor.
Many...
The following circuit was created. I would be very grateful if you could check that the what I have said about it is correct.
"A phototransistor was connected in a series circuit as shown below. It is used like a resister in this case with a battery and multimeter measuring current. When the...