The current through an element is shown in the fig. Determine the total charge that passes through the element from t=0 to t=2 S

The current through an element is shown in the fig. Determine the total charge that passes through the element from t=0 to t=2 S

A
10C
B
15 C
C
17.5C
D
5C

Solution:

$charge flows from 0 to 2 \sec is the area of the graph from 0 to 2 \sec$

$Area = 10 \times 1 + (\frac{10 + 5}{2}) 1 = 17.5 C$

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