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Question 21M.1.HL.TZ1.35

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.HL.TZ1.35
Level HL Paper 1 Time zone TZ1
Command term Question number 35 Adapted from N/A
35.
[Maximum mark: 1]
21M.1.HL.TZ1.35

A resistor designed for use in a direct current (dc) circuit is labelled “50 W, 2 Ω”. The resistor is connected in series with an alternating current (ac) power supply of peak potential difference 10 V. What is the average power dissipated by the resistor in the ac circuit?

A. 25 W

B. 35 W

C. 50 W

D. 100 W

[1]

Markscheme

A

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