Refer to Circuits A and B below and answer the questions that follow.
11.1 Define the term emf. (2)
11.2 Calculate the total resistance of Circuit A. (2)
11.3 Consider Circuit B.
11.3.1 Write down the reading on A2. (1)
11.3.2 Calculate the reading on V1. (3)
11.4 If a third resistor (1,5 Ω) is placed in parallel with the existing resistors in Circuit A, would the total current in the circuit INCREASE, DECREASE or REMAIN THE SAME? Explain the answer. (3)