Gce Model Questions Vol1 2020 Computer Studies Question 29

Practice objective / multiple choice question 29 from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2020 Computer Studies Objective / Multiple Choice Easy Difficulty
Question 29 GCE_MODEL_QUESTIONS_VOL1 • 2020 • COMPUTER_STUDIES • objective

A computer power‑supply unit (PSU) delivers 300 W to the system at 12 V. Its efficiency is 85 % and the mains voltage is 230 V. Assuming the PSU operates at its rated output, determine the input current drawn from the mains.

Answer Options

A. ≈ 1.25 A
B. ≈ 1.70 A
C. ≈ 1.40 A
Correct Answer D. ≈ 1.53 A
Correct Answer
D
Correct Option:
≈ 1.53 A

About This Question

This is Gce Model Questions Vol1 2020 Computer Studies Question 29. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Easy .

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