Measurement of Resistance To measure the resistance of a resistor via slope of potential difference versus current. To measure the resitivity of a material by measuring resitance of given wire. To verify the laws of series resistance combinations using a meter bridge. To verify the laws of parallel resistance combinations using a meter bridge. Measurement of electromotive force (EMF) and potential difference To measure internal resistance of a battery using potentiometer. To measure internal resistance of a battery using potentiometer. Galvanometer, Ammeter and Voltmeter To determine resistance of a galvanometer by half-deflection method. To measure internal resistance of a battery using potentiometer. Focal length of spherical mirror and lens To measure the focal length of concave mirror. To measure the focal length of concave lens To measure the focal length of convex lens Refractive index of a Prism material and glass slab To measure the refractive index of a glass slab. To measure the angle of minimum deviation for a prism.