A silicon diode which has a knee voltage of 0.7 V & negligible forward resistance has a pd across it as shown. Then the current through the diode is
30 mA
70 mA
2.3 mA
23 mA
v=3v vK=0.7v ∴vR=3−0.7=2.3v
∴I=2.3100=23mA