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3 marksAlternating Current

CSEC Physics · May/June 2011 · Paper 2 · Question 3(b)(i)

Identify the type of current (d.c. or a.c.) which generated the specific waveforms A, B and C shown in Table 4.

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Other parts of this question

  1. 3(a)(i)How does the flow of the current within the simple cell differ from that in a copper wire?[2 marks]
  2. 3(a)(ii)Name the material used for the positive terminal in a dry cell.[1 mark]
  3. 3(a)(iii)Name the material used for the negative terminal in a dry cell.[1 mark]
  4. 3(a)(iv)In the circuit in Figure 1, if the current is steady at 0.1 A, calculate the charge that goes through the copper wire in 60 s.[3 marks]
  5. 3(a)(v)Determine how much charge goes through the simple cell in 60 s.[1 mark]
  6. 3(b)(ii)Determine the period and frequency for Waveform C.[4 marks]

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