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Finding currents and voltages (pure circuits)

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Problem

Two resistors, R, start subscript, 1, end subscript, equals, 48, space, \Omega and R, start subscript, 2, end subscript, equals, 12, space, \Omega, are connected in parallel across a cell of voltage, V, start subscript, start text, c, e, l, l, end text, end subscript, equals, 24, space, start text, V, end text, as shown below.
What current, I, start subscript, 1, end subscript, flows through the 48, space, \Omega resistor?
I, start subscript, 1, end subscript, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
start text, A, end text
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