Question 13
Question 13 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
20. Magnetic fields
20.3. Force on a moving charge

describe the motion of a charged particle moving in a uniform magnetic field perpendicular to the direction of motion of the particle

18. Electric fields
18.5. Electric potential

recall and use the fact that the electric field at a point is equal to the negative of potential gradient at that point

13. Gravitational fields
13.4. Gravitational potential

use φ = -GM/r for the gravitational potential in the field due to a point mass