Physics · May / June 2023 · Paper 42 · Question 8
0625
As printed in the paper
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8(a)(i)[1]
region in which a (magnetic) pole experiences a force
8(a)(ii)[1]
in the direction of the force on the N pole
8(b)[2]
4 radial lines outside sphere, touching the sphere and equally spaced all around sphere
direction of arrows towards the sphere
8(c)(i)[1]
2.0 V
8(c)(ii)[1]
(ratio of p.d. across R2 : R3 =) 1 : 2
8(c)(iii)1.
current is zero in R1 AND diode is in wrong direction (to allow current) owtte
8(c)(iii)2.
(ratio of p.d. across R2 : R3 =) 1 : 1
8(c)(iii)[2]
1. current is zero in R1 AND diode is in wrong direction (to allow current) owtte 2. (ratio of p.d. across R2 : R3 =) 1 : 1
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