LR Circuit With A Source Of Alternating E.M.F

Objective :

a) the power factor, cos  of the inductive load.
b) the equivalent power loss resistance of the inductor.
c) inductance of the inductor.
d) phase difference between applied voltage & that across resistance. 

Features :

Instrument comprises of ac power supply, three voltmeter & one milliammeter to measure voltage & current. Inductor, resistance & important connections are brought out on 4 mm. Sockets.