The following questions relate to the graph in Figure 27.2. a. State the value of the current

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The following questions relate to the graph in Figure 27.2.



a. State the value of the current I and its direction when time t = 5 ms.

b. Determine the time the current next has the same value, but negative.

c. State the time T for one complete cycle (the period of the a.c).

d. Determine the frequency of this alternating current.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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