Question 31
Question 31 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

determine the direction of the force on a charge moving in a magnetic field

18. Electric fields
18.4. Electric field of a point cha...

recall and use E = Q/(4πε0r²) for the electric field strength due to a point charge in free space