7. A circuit consists of a battery of emf 12V and a heater with a resistance of 6,00. 12 V --- 600 7.1 Define an electric current. (2) 7.2 If the current through the ammeter is 2,0 A. Calculate the amount of charge that passes through the resistor in 2 minutes. (3) 7.3 Calculate the amount of energy transferred by the charge in 2 minutes. (3) [8]