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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET-I
- Write the expression for Lorentz magnetic force on a particle of charg...
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- If chi stands for the magnetic susceptibility of a given material, ide...
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- What are eddy currents ? Discuss brifly any two applications of eddy c...
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- What is sky wave communication Why is this mode of propagation restric...
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- In the given circuit assuming poiny A to at zero potential use kirchh...
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- What is the area of the plates of a 2 farad parallel plate air capac...
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- Net capacitance of three identical capacitors in series is 1 muF. Wha...
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- In the meter bridge experiment, balance point was observed at J with A...
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- A convex lens made up of glass of refractive index 1.5 is dippedin tur...
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- Draw a plot showing the variation of photoelectric current with collec...
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- The velocity of a certain monochromatic light, in a given transparent ...
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- Use the mirror equation to deduct that : (a) an object between f and...
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- The figure below shows the V-I characteristic of a semiconductor diode...
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- (a) Using de Broglie's hypothesis, explain with the help of a suitable...
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- You are given a circuit below. Write its truth table. Hence, identify ...
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- A compound microscope uses an objective lens of focal length 4 cm and ...
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- (i) A giant refracting telescope at an observatory has an objective le...
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- A resistor R(1) consumes electrical power P(1) when connected to an e...
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- Prove that an ideal capacitor in an a.c. circuit does not dissipate po...
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- Using Ampere's circuital law, obtaiin the expression for themagnetic f...
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