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CELL EMF:
The size of a cell has no bearing on the emf that it will produce, the generated emf being determined solely by the materials used in its construction. Another point to note is that the potential difference, or voltage measured across the terminals of a cell, is not the same as the emf generated by the cell. The terminal voltage of a cell depends on the:
Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
Introduction and Definition: The force between two particles was studied by Coulomb in 1785. He stated that the force of attraction or repulsion between two charged particle
Write a short note on different kinds of capacitors. Applying Gauss's law derive the mathematical expression for electric intensity due to a charged conducting spherical shall
The recombination procedure is represented with returning the electron from the CB where it is free into a hole in the VB where it is in a bond. The excess energy of the electron
Explain the formula of the Stefan law. STEFAN'S LAW: P = σ AT 4 Here: P = Power radiated into W (J/s) σ = Stefan's Constant 5.67 x 10 -8 W m -2 K -4 A = Su
SECOND DEFINITION OF IMPULSE: It can be described as, "The change in momentum produced by the force of impulse".
Q. Give the differences between hard X-rays and soft X-rays.
assignment on vernier caliper
Advantages of A.C. transmission of power 1. The power can be produced at high voltages. 2. The maintenance of a.c. sub-stations is simple and cheaper. 3. The a.c. voltage
Majority and minority charge carriers A pure semiconductor has equal number of holes and electrons. But an extrinsic semiconductor has majority charge carriers. When a tri
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