Related Questions

  1. A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
  2. A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
  3. A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
  4. A battery of e.m.f. E and internal resistance r is connected to an external resistance
  5. The electrons are emitted in the photoelectric effect from a metal surface