The voltage across and the current through a single circuit element connected to an ac generator are shown in the graph.
-Determine the rms current through this circuit element.
A)1.0 A
B)1.4 A
C)2.0 A
D)2.8 A
E)4.0 A

Question

The voltage across and the current through a single circuit element connected to an ac generator are shown in the graph. 
-Determine the rms current through this circuit element.
A)1.0 A 
B)1.4 A 
C)2.0 A 
D)2.8 A 
E)4.0 A

Quizplus · Accepted Answer

To find the rms current, we need to use the equation:
Irms = (1/√2) * Imax
From the graph, we can determine that the maximum current is approximately 2A. 
Thus, 
Irms = (1/√2) * 2A = 1.4A 
Therefore, the best choice is B.

The Voltage Across and the Current Through a Single Circuit