Understanding Characteristics of MOSFET, FET and UJT

. Mains Supply: 90-230V, 50Hz
. DC Fixed Power Supply: -5V, +15V, +35V
. DC Variable Power Supply: 1.5V to 14 V / 1.5V to 34V
. Voltmeter: 0-200V
. Ammeter: 0-200mA
.Bread Board:Dimension (mm): 175 x 61 x 10,
. Distribution strips: 2
. Distribution holes: 200,
. Terminal Strips: 1
. Terminal holes: 640,
. Resistor Bank:M.F.R. 100E 1W (3 Nos.), M.F.R. 470E 1W (3 Nos.)M.F.R. 1K 1W (3 Nos.),
. Variable Resistances: 5 K ? Ten turn Potentiometer (1 No.),10 K ? Ten turn Potentiometer (1 No.)
5 K ? Single turn Potentiometer (1 No.)
. Fuse: 500 mA, slow blow
. Dimensions (mm): 350