Question

3. A current of 5 A is passing through a metallic wire of cross sectional area
4 x 10-6 m2. If the density of charge carriers in the wire is 5 x 1026 m-3, find
drift speed of electrons.​

Answer 1

Answer:

1223m-3

please 1 mole of propane on combustion at STP gives 'A' kilo joules of heat energy. calculate the heat liberated when 2.4 litres of propane on combustion at STP.