Mathematics, 20.01.2022 03:40 jerz445
A constant electrical current is flowing through a circuit. The potential difference, V volts, across the circuit is proportional to the resistance, R ohms.
a) Write down a proportionality equation between V & R. When the resistance is 10 ohms, the potential difference is 45 volts.
b) Find the constant of proportionality (k) and write down an equation giving V in terms of R.
c) What is the potential difference when R= 6 ohms
Answers: 3
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