Question: Section A [30 marks] 1) a) Distinguish two differences between direct (DC) and alternating (AC) current. [2 marks] b) Find the maximum value of the

Section A [30 marks] 1) a) Distinguish two differences between direct (DC) and alternating (AC) current. [2 marks] b) Find the maximum value of the ac voltage of 240V, 130Hz source. [4 marks] c) 66J of heat is dissipated per second when an 7.5 $2 resistor is connected to an ac source. What is the rms value of the i) current? [4 marks] ii) voltage? [4 marks]

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