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Measuring alternating currents and voltages
1.
Calculate the effective current when the maximum current is:
(a)
1.5 A
(b)
12.0 A
(c)
5 mA
2.
Calculate the effective pd when the maximum pd is:
(a)
110 V
(b)
230 V
(c)
12 kV
3.
Calculate the following resistances:
(a)
Effective current is 8.2 A, effective pd is 85 V
(b) Maximum current is 0.2 A, maximum pd is 12 V
(c) Effective current 11 A, maximum pd is 250 V
