Current Electricity

Related Questions

• A hot electric iron has a resistance of $80\,\Omega $ and is used on a 200 V source. The electrical energy spent, if it is used for two hours, will be

  ---

• According to Joule's law, if the potential difference across a conductor having a material of specific resistance remains constant, then the heat produced in the conductor is directly proportional to

  ---

• The resistivity of a wire

  ---

• Which of the following has a negative temperature coefficient

  ---

• Two resistors are connected (a) in series (b) in parallel. The equivalent resistance in the two cases are 9 $ohm$ and 2 $ohm$ respectively. Then the resistances of the component resistors are

  ---