Yo people a quick question,
As you know, a diode only conducts if the pd across it exceeds 0.6V so...
The diode is placed in the forward direction in series with a 1.5V cell and a 2.2k resistor.
The question asks for the pd in the resistor...
Would it simply be 1.5 - 0.6 = 0.9V?
thnks