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2. Use the circuit below to answer the following questions. (9 marks) a) What is the potential difference across R1? b) What is the potential

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2. Use the circuit below to answer the following questions. (9 marks) a) What is the potential difference across R1? b) What is the potential difference across R2? c) If 20 A flows through R1, what is its resistance? d) If 10 A flows through R2, what is its resistance? e) Given the currents in c) and d), what is the current coming out of the power source or dry cell? R2 M RI 20 V

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