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Experiment No.: Title: Density Determination of a Solid Using a Spring Balance and Measuring Cylinder Objective: To determine the density of a solid by measuring its mass using a spring balance and its volume using a measuring cylinder. Apparatus Required: Theory: Density (ρ) is defined as the mass per unit volume of a substance and…
Use of multimeter Aim Use of multimeter to see the unidirectional flow of current in case of a diode and an LED and check whether a given electronic component (e.g., diode) is in working order. Apparatus and Material Required Principle Diode: A diode is a two-terminal semiconductor device that allows current to flow in only one…
Law of Combination of Resistances Using Metre Bridge – Viva Questions This post presents a carefully structured set of viva questions on the law of combination of resistances using a metre bridge. It helps students prepare confidently for CBSE physics practical viva voce by covering both series and parallel combinations in a clear, examiner-oriented manner….
\(\vec a = x \hat i + y \hat j + z \hat k\) \(\vec a = x \hat i + y \hat j \) \(x \hat i + y \hat j \) \(x \hat i + y \hat j + z \hat k\) dot product \(\vec a \cdot \vec b\) cross product \(\vec a…
Force between Two Parallel Current-Carrying Wires Consider two parallel wires, \( a \) and \( b \). A current \( I_a \) passes through wire \( a \) and a current \( I_b \) passes through wire \( b \). The distance between them is \( d \). The current \( I_a \) creates a…
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