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Question 19M.1A.SL.TZ2.21

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ2.21
Level SL Paper 1A Time zone TZ2
Command term Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
19M.1A.SL.TZ2.21

A horizontal wire PQ lies perpendicular to a uniform horizontal magnetic field.

A length of 0.25 m of the wire is subject to a magnetic field strength of 40 mT. A downward magnetic force of 60 mN acts on the wire.

What is the magnitude and direction of the current in the wire?

[1]

Markscheme

B

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