Q. State Faraday's law of electromagnetic induction.

Q. What is rectification? With relevant circuit diagram and waveforms explain the working of a P-N junction diode as a full-wave rectifier.

Q. Write three properties of ferromagnetic materials.

Q. Write any two properties of electric field lines.

Q. Derive Lens Maker's formula for a convex lens.

Q. Define displacement current.

Q. Derive the expression for magnetic field at a point on the axis of a circular current carrying loop.

Q. Derive the condition for balance of a Wheatstone's bridge using Kirchhoff's rules.

Q. Give any three differences between $n$-type and $p$-type semiconductors.

Q. Derive the expression for energy stored in a charged capacitor.

Q. What is a transducer in a communication system?

Q. Explain with a circuit diagram, how to convert a galvanometer into a voltmeter.

Q. Write any three experimental observations of photoelectric effect.

Q. Derive the expression for the motional emf induced in a conductor moving in a uniform magnetic field.

Q. State and explain Ohm's law.

Q. On what factors does the capacitance of a parallel plate capacitors depends?

Q. What is a transformer? Mention two sources of energy loss in a transformer.

Q. Define the terms:
i) Declination
ii) Inclination or Dip.

Q. What is the conclusion of Davison and Germer experiment on the nature of electron?

Q. Draw the block diagram of a AM receiver.

Q. What is the SI unit of activity.

Q. How is the power of a lens related to its focal length?

Q. What is the significance of Lenz's law?

Q. Write one application of microwaves.

Q. Mention any three applications of polaroids.

Q. Derive the relation between electric field and electric potential due a point charge.

Q. State Coulomb's law.

Q. What is a NAND gate? Give its logic symbol.

Q. Write the expression for the de-Broglie wavelength of a particle.

Q. Name the type of lens which is used to correct?
i) Myopia ii) Hypermetropia.