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Physics Investigatory Project Class 12: Diodes And its Application

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  Physics Investigatory Project: Diodes And its Application This document is a physics project on the topic of  Diodes and their Application .   This physics project aims to explore the working principles of diodes through hands-on experiments and analysis.  The objectives are to study diode construction, investigate forward and reverse biasing, and explore diode I-V characteristics.   Experiments on forward and reverse biasing are conducted to observe the voltage-current relationship and verify the characteristic exponential curve in forward bias and low reverse current, up to the breakdown voltage.  Results demonstrate the forward and reverse biasing behavior of diodes and validate the underlying diode operation principles.
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Physics Investigatory Project Class 12: A.C. Generator

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  Physics Investigatory Project:  A.C. Generator This document is a physics project on the topic A. C. Generator. This document is a student project on an AC generator. An introduction describing AC generators and how they convert mechanical energy to electrical energy.  Sections on the principles, construction, theory, circuit diagram, and working of an AC generator, including how rotating a coil in a magnetic field produces alternating current. An expression showing that the instantaneous emf produced is proportional to the sine of angular velocity. Applications of AC generators such as in aircraft, vehicles, power transmission grids, and household appliances.
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