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OSWAAL PUBLICATION-Sample Paper 3-Exercise
- Give an expression for force acting on a charge moving in magnetic fie...
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- What is hysterisis? Define the terms 'coercivity' and 'retentivity' of...
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- What are eddy currents ? Mention two applications of eddy currents.
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- What is a thin prism? Write its deviation expression.
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- How do you represent plane polarized and unpolarised light ?
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- Define half life of a radioactive element and deduce the expression fo...
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- Give three differences between intrinsic and extrinsic semiconductors
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- Derive an expression for the electric potential energy of a system of ...
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- State and explain Ohm.s law and hence defien ohm.
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- Write any four properties of ferromagnetic materials and give an examp...
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- Derive the expression for emf induced in a straight conductor moving p...
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- State any three feautures of nuclear force
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- Distinguish between conductors, insulators and semiconductors on the b...
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- Draw a neat labelled block diagram of an AM transmitter.
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- Derive an expression for the electric field at a point due to an infin...
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- Obtain an expression for equivalent resistance of two resistors connec...
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- Derive the expression for magnetic field at a point on the axis of a c...
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- Derive the expression for refractive index of the material of the pris...
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- Explain three facts of photoelectric effect using Einstein's photoelec...
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- With a circuit diagram, explain the action of n-p-n transistor as an a...
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