DP Physics (first assessment 2025)

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Question 20N.1A.SL.TZ0.19

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.SL.TZ0.19
Level SL Paper 1A Time zone TZ0
Command term Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
20N.1A.SL.TZ0.19

An electric motor raises an object of weight 500 N through a vertical distance of 3.0 m in 1.5 s. The current in the electric motor is 10 A at a potential difference of 200 V. What is the efficiency of the electric motor?

A.  17 %

B.  38 %

C.  50 %

D.  75 %

[1]

Markscheme

C

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