Neco Model Questions Vol1 2021 Physics Question 1
Practice objective / multiple choice question 1 from the 2021 Neco Model Questions Vol1 Physics examination.
In a circuit, a 12 V ideal battery has an internal resistance of 0.5 Ω. Two external resistors, \(R_{1}=4\ \Omega\) and an unknown resistor \(R_{2}\), are connected in parallel. Their equivalent resistance is in series with another unknown resistor \(R_{3}\). The total current supplied by the battery is 2 A, and the power dissipated in \(R_{3}\) is twice the power dissipated in \(R_{1}\). Determine the resistance of \(R_{3}\) (in ohms, correct to two decimal places).
Answer Options
About This Question
This is Neco Model Questions Vol1 2021 Physics Question 1. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Physics examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.