3. A. Differentiate Conductors, Insulators and Semiconductors based on their electric B. How does the resistance vary with temperature in the case of (1) Aluminium (2 4.A. A charged particle of charge q moves with a velocity V in a magnetic field of st is the force experienced by the charge? B. If the charged particle is moving along the direction of magnetic field B, what Justify your answer. C. For what angle will the force experienced by the charged particle be maximur 3. A. Differentiate Conductors, Insulators and Semiconductors based on their electric B. How does the resistance vary with temperature in the case of (1) Aluminium (2 4.A. A charged particle of charge q moves with a velocity V in a magnetic field of st is the force experienced by the charge? B. If the charged particle is moving along the direction of magnetic field B, what Justify your answer. C. For what angle will the force experienced by the charged particle be maximur