An electric heater working at 230 V produces 1000 J energy in one second.
Calculate the heat generated by it when it works for 5 minute.

An electric heater working at 230 V produces 1000 J energy in one second. What is the power of the lamp ?

An electric heater working at 230 V produces 1000 J energy in one second. Calculate the resistance of the heating coil used in it.

Power of an electric heater working in 230 V is 1000W. Calculate the heat produced if the current passes for 5 minutes through the circuit .

On an iron box is marked as 690 W, 230 V. Calculate the heat produced when the iron box works for 5 minutes.

0.5 A current flows through an electric heating device connected to 230 V supply . Calculate the quantity of heat generated when current flows in the circuit for 5 minute.

If the resistance of two soldering irons working in 250 V are 500 Omega and 750 Omega . Calculate the heat produced in 5 minutes in the soldering iron having resistance 750 Omega .

If the resistance of two soldering irons working in 250 V are 500 Omega and 750 Omega . Calculate which one of these will carry more current.

A transformer working on a 240 V AC supplies 12V. The number of turns in the primary coil is 1000. Calculate the number of turns in the secondary coil.