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Author Question: A 120-V rms voltage at 1.00 kHz is applied to a resistor and an inductor in series. If the impedance ... (Read 86 times)

809779

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on: Jul 29, 2018
A 120-V rms voltage at 1.00 kHz is applied to a resistor and an inductor in series. If the impedance of this circuit is 110 , what is the maximum value of the current?
 
  A) 1.54 A B) 1.04 A C) 1.84 A D) 1.09 A

Question 2

An aluminum rod is 10.0 cm long and a steel rod is 80.0 cm long when both rods are at a temperature of 15C. Both rods have the same diameter.
 
  The rods are now joined end-to-end to form a rod 90.0 cm long. If the temperature is now raised from 15C to 90C, what is the increase in the length of the joined rod? The coefficient of linear expansion of aluminum is 2.4  10-5 K-1 and that of steel is 1.2  10-5 K-1.
  A) 0.90 mm
  B) 0.81 mm
  C) 0.72 mm
  D) 0.63 mm
  E) 0.99 mm
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stillxalice

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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809779

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Reply 2 on: Jul 29, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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