What is the terminal voltage of the battery

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Reference no: EM132110009

Question: a) What is the potential difference V_ad in thecircuit?

b) What is the terminal voltage of the 4V battery?

c) A battery with emf 10.3V and internal resistance .5ohm isinserted in the circuit d with its negative terminal connected tothe negative terminal of the 8V battery. WHat is the difference ofpotential V_bc between the terminals of the 4V batterynow?

For part: a) How do you know to subtract 8V-4V when determining the current?Also, why did you choose to determine V_adusing thevalues from the bottom of the circuit? In other words, could youdetermine V_ad using the 6Î© resistor, 4V batterywith .5Î© internal resistance, and 9Î© resistor?

b) Why do you use Îµ+Ir and not Îµ-Ir? (How do you knowwhen to add them or to subtact them for future problems?)

c) Similar to part a - how do you know which voltages are positivevalues and which are negative when determining Î"V?

Reference no: EM132110009

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