Question: Answer all questions in the space provided on this test paper. Use pen to write. Formulae are provided on the last page. 1. (4 marks).

Answer all questions in the space provided on this test paper. Use pen to write. Formulae are provided on the last page. 1. (4 marks). a. Determine the current flowing in the following circuit. O 1 000 n 1 500 0 AV = IR 30.0 V 25.0 V I = AV 2000 0 : 500 0 20.0 V -5001,+20 - 20001, - 30 + 1000 1,+ 150016+25 =0 1 20 - 2000 - 500 I + 20 - 20007/-30 +10001 + 1500 1 + 25 = 0 1300 Is / b. How many electrons enter (and leave) each resistor in 1 minute
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