A current of 1 ampere flows through a conductor for 4.2 minutes. The resistance of the conductor is 100 ohm. Find the heat developed in calories.

State and explain Faraday 's laws of electrolysis. A current of 6 amperes is passed through a solution of Ag NO_3 for 20 minutes. 8 gm of silver is deposited. Find out the electrochemical equivalent of silver.

A current of 10 Ampere flows through a coil of resistance 100 ohm. A second coil of resistance R ohm is connected across the first coil so that the current through the second coil is 8 amperes. Then the value of R in ohms is

A current of 0.5 ampere is passed through acidulated water for 30 minutes. Calculate the wt. of H_2 and oxygen evolved ?

State and explain Faraday 's laws of electrolysis. When a current of 6 ampere strength is passed through AgNO_3 solution for 10 minutes, 4 gms of silver is deposited. Find out the electrochemical equivalent of silver.

When a current of 0.15 ampere is passsed through a solution of a salt of a metal for 150 minutes, 0.783 gm of the metal is deposited . Find the valency of the metal.(At. Wt. of metal = 112)

State and explain Faraday 's laws of electrolysis. A current of 5 amperes is passed through an electrolyte for 15 minutes when 4 gms of the metal was deposited. Calculate the ECE of the metal.