Waec Model Questions Vol1 2019 Physics Question 36
Practice objective / multiple choice question 36 from the 2019 Waec Model Questions Vol1 Physics examination.
A battery of emf E and internal resistance r is connected to an external resistor R. When the resistor has value R, the power dissipated in R is P. When the resistor value is changed to 2R, the power dissipated becomes (3/4)P. Determine the ratio r/R.
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About This Question
This is Waec Model Questions Vol1 2019 Physics Question 36. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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