Que 1. The voltage-current (v-I) graph of a metallic conductor at two different temperature T1...

 Que 1. Why does resistance of a metallic conductor increase with increase in temperature? A...

  Que 1. Why does an electric bulb become dim when an electric heater in parallel circuit...

Que 1. The potential difference between two points in an electric circuit is 1 volt. What does it me...