The following questions relate to the graph in Figure

State the value of the current $I$ and its direction when time $t=5 \mathrm{ms}$.

Determine the time the current next has the same value, but negative to the graph in figure.

The following questions relate to the graph in Figure

State the time $T$ for one complete cycle (the period of the a.c).

The following questions relate to the graph in Figure

Determine the frequency of this alternating current.

The following questions relate to the graph in Figure.

Determine the values of $I_0 \& \omega$.

The following questions relate to the graph in Figure.

(b) Write an equation to represent this alternating current.

An alternating current, measured in amperes (A), is represented by the equation: $I=5.0\sin \left(120\mathrm{\pi t}\right)$.

(a) Determine the values of $I_0,\omega f \& T$.

An alternating current, measured in amperes (A), is represented by the equation: $I=5.0\sin \left(120\mathrm{\pi t}\right)$. Sketch a graph to represent the current.

An alternating voltage $\mathrm{V}$, in volt $\left(\mathrm{V}\right)$, is represented by the equation:

$V=300\sin \left(100\mathrm{\pi T}\right)$

(a) Determine the values of $V_0,\omega \& f$ for this alternating voltage.