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3 marksResistance, R

CSEC Physics · January 2008 · Paper 2 · Question 4(b)(i)

The terminals x and y are connected to a 5 Ω resistor. The peak output voltage across x - y is 12 V.

Calculate the peak value of the output current.

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Other parts of this question

  1. 4(a)(i)Write the name of the components labelled A, B, C and x.[4 marks]
  2. 4(a)(ii)Explain why a voltage is obtained across the terminals x and y.[2 marks]
  3. 4(b)(ii)The component labelled A in Figure 2 makes 10 revolutions in one second. On the grid provided, sketch a graph to represent the variation of output current with…[3 marks]
  4. 4(b)(iii)a)The speed of rotation of component A is tripled with no other change involved. Determine the effect on the period of the output current.[2 marks]
  5. 4(b)(iii)b)The speed of rotation of component A is tripled with no other change involved. Determine the effect on the peak value of the output current.[1 mark]

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