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OSWAAL PUBLICATION-2020 Solved Paper I -Exercise
- Plot a graph of resistivity of a semiconductor as a function of absolu...
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- Give any one use of electromagnet
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- What is the significance of Lenz's law ?
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- How does capacitive reactance vary with frequency ?
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- Why does the sky appear dark instead of blue to an astronaut?
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- Mention any two methods of increasing the resolving power of a microsc...
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- Write the nuclear reaction equation-for alpha decay of ""(92)^(238)U
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- Give the logic symbol, Boolean expression and truth table of a NOR gat...
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- State Coulomb.s law
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- A parallel plate capacitor with air between the plates has capacitance...
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- A parallel plate capacitor with air between the plates has capacitance...
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- What are the limitatons of ohm.s law?
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- In a region, an electric field vec(E )= 5 xx 10^(3) hat(j) NC^(-1) and...
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- What is hysterisis? Define the terms 'coercivity' and 'retentivity' of...
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- Mention energy losses in a transformer .
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- What is displacement current? Give the expression for it
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- An alpha particle, a proton and an electron are moving with equal kine...
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- Derive the relation between electric field and electric potential.
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- Derive the expression for energy stored in a charged capacitor.
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- Give the principle of cyclotron and draw the neat labelled schematic d...
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