Neco Model Questions Vol1 2020 Physics Question 43
Practice objective / multiple choice question 43 from the 2020 Neco Model Questions Vol1 Physics examination.
A 12 V battery has an internal resistance \(r\). It is connected to a circuit where a 4 Ω resistor and a 6 Ω resistor are in parallel, and this combination is in series with a 5 Ω resistor. The terminal voltage across the external circuit is measured to be 9 V. Find the internal resistance \(r\) of the battery and the total power dissipated in the external circuit.
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About This Question
This is Neco Model Questions Vol1 2020 Physics Question 43. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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