Physics (AS & A Level) Paper 23
May / June 2018·9702·7 questions
Mock exam: 75 min, official timing
Question paper
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Mark scheme
Question 1
1(a)(i)[1]
1(a)(ii)[1]
1(b)(i)[2]
1(b)(ii)[2]
1(b)(iii)[2]
Question 2
2(a)[1]
2(b)(i)[2]
2(b)(ii)[1]
2(b)(iii)[2]
2(b)(iv)[3]
2(b)(v)[2]
Question 3
3(a)[1]
3(b)[2]
3(c)(i)[2]
3(c)(ii)[2]
3(d)[2]
3(e)[2]
3(f)[2]
Question 4
4(a)[1]
4(b)(i)[2]
4(b)(ii)[3]
4(c)[2]
Question 5
5(a)[1]
5(b)(i)[2]
5(b)(ii)[3]
5(b)(iii)[2]
Question 6
6(a)[3]
6(b)(i)[1]
6(b)(ii)[4]
1. current in resistor = 1.8 / 4.5 (= 0.40 A) current in wire = 1.6 – 0.40 (= 1.2 A) RX = 1.8 / 1.2 = 1.5 Ω or RT = 1.8 / 1.6 or (5.0 / 1.6) – 2.0 (= 1.125 Ω) (C1) (1 / 1.125) = (1 / 4.5) + (1 / RX) (C1) RX = 1.5 Ω (A1) 2. length = 1.5 / 3.0 or 1.5 × 1.8 × 10–7 / (5.4 × 10–7) = 0.50 m Mark
Question 7
7(a)(i)[1]
7(a)(ii)[1]
7(b)[1]
7(c)[1]