RMS and average current

Question

Answer 1

(1)

A and sec.

Step 1:

Observe the graph:

Two points in the interval are (0, 0) and (0.75, 2).

Slope =

Slope .

Point-slope form of the line equation is .

Slope and the point is (0, 0).

For : .

For : .

Step 2:

Find RMS current by using the formula: .

Substitute and in above expression.

A.

Solution:

RMS current is  A.

Answer 2

(2)

From (1)-bit:

For : current .

For : current  .

Find average current by using formula: .

Substitute in above expression.

A.