Question

i) ii) iii) 12 V What is the total resistance of the circuit? 1+1 30+20. - A 26 30 600 What is the current reading of the ammeter? 600=12 What is the power of the 30 ohm resistor? 144 = 48 30 P = √² 12² - 144 R 30 iv) Explain what is meant by the term e.m.f of the battery. 20. Ω > 30. Ω​

Answer 1

The answer for (iv) is;

E.M.F of the battery refers to the chemical energy in the battery that is being converted into electrical energy for the flow of electrons to carry current in a circuit.