Gce Model Questions Vol1 2020 Computer Studies Question 6

Practice objective / multiple choice question 6 from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2020 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 6 GCE_MODEL_QUESTIONS_VOL1 • 2020 • COMPUTER_STUDIES • objective

An office has 5 desktop computers, each drawing an average of \(120\text{ W}\). A network switch uses \(30\text{ W}\) and a printer uses \(80\text{ W}\). They need a UPS that can run the whole load for 20 minutes. The UPS operates at \(90\%\) efficiency and has a power factor of \(0.8\). The UPS battery is a 12 V unit. Determine the minimum UPS rating in volt‑amps (VA) and the minimum battery capacity in amp‑hours (Ah) required (round each up to the nearest whole number).

Answer Options

A. 1000 VA and 25 Ah
B. 950 VA and 21 Ah
Correct Answer C. 987 VA and 22 Ah
D. 900 VA and 20 Ah
Correct Answer
C
Correct Option:
987 VA and 22 Ah

About This Question

This is Gce Model Questions Vol1 2020 Computer Studies Question 6. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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