City Guilds Model Questions Vol1 2020 Engineering Question 13

Practice objective / multiple choice question 13 from the 2020 City Guilds Model Questions Vol1 Engineering examination.

City Guilds Model Questions Vol1 2020 Engineering Objective / Multiple Choice Medium Difficulty

Question 13 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2020 • ENGINEERING • objective

A 240 V supply feeds a circuit consisting of a 12 Ω resistor \(R_{1}\) in series with a parallel network of an unknown resistor \(R_{2}\) and a known 20 Ω resistor \(R_{3}\). The total current drawn from the supply is 8 A. Determine the resistance value of \(R_{2}\) (in ohms).

Answer Options

A. 90

B. 150

C. 200

Correct Answer D. 180

Correct Answer

Correct Option:

180

About This Question

This is City Guilds Model Questions Vol1 2020 Engineering Question 13. It is one of the objective questions from the 2020 City Guilds Model Questions Vol1 Engineering examination.

Difficulty level: Medium .

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City Guilds Model Questions Vol1 2020 Engineering Question 13

A 240 V supply feeds a circuit consisting of a 12 Ω resistor \(R_{1}\) in series with a parallel network of an unknown resistor \(R_{2}\) and a known 20 Ω resistor \(R_{3}\). The total current drawn from the supply is 8 A. Determine the resistance value of \(R_{2}\) (in ohms).

Answer Options

About This Question

Master the Exam!

A 240 V supply feeds a circuit consisting of a 12 Ω resistor \(R_{1}\) in series with a parallel network of an unknown resistor \(R_{2}\) and a known 20 Ω resistor \(R_{3}\). The total current drawn from the supply is 8 A. Determine the resistance value of \(R_{2}\) (in ohms).