Physics 12 Experiment 03
To determine the internal resistance of a given primary cell using potentiometer.



To determine the internal resistance of a given primary cell using potentiometer.



To determine the focal length of a convex mirror using the convex lens.
Assemble the Electrical Components – Activity to be done by Class 12 Physics Students Aim To assemble the components of a given electrical circuit. Apparatus and Material Required Resistor, ammeter, (0-1.5A) voltmeter (0-5V ), battery, one way key, rheostat, sand paper, connecting wires. Procedure Results The components of the electrical circuit were assembled. Precautions Discussion Draw…
Conversion of Galvanometer into Voltmeter or Ammeter – Viva Questions Experiment Aim The aim of this experiment is to convert a given galvanometer of known resistance and figure of merit into a voltmeter or an ammeter of desired range and then verify its performance. Apparatus Used This experiment uses a moving coil galvanometer, suitable resistances,…
Aim To determine the resistance of a galvanometer by half-deflection method and to find its figure of merit Apparatus and Material Required Principle Moving Coil Galvanometer is a sensitive electrical device used to detect current. It works on the principle that “a current carrying coil placed in a uniform magnetic field experiences a torque”. When a…
Viva Questions – Determination of Resistivity for the experiment “To determine resistivity of two wires by plotting a graph for potential difference versus current.” Basic Questions Procedure-related Questions Conceptual Questions Application-based Questions Questions based on Error Analysis For more Viva questions on Physics Practical Class 12, Click here For practical records of Physics Practical Class…
Metre Bridge Experiment Viva Questions (FAQ) – CBSE Physics Practical This post provides a complete and exam-oriented collection of viva questions for the metre bridge experiment. These questions are frequently asked in CBSE physics practical examinations while performing the experiment to find the resistance of a given wire using a metre bridge. Experiment: To find…