The equation of an alternating current is `I = 20 sin 300 pi t`. Calculate the frequency and r.m.s value of current.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Identify the given equation
The equation of the alternating current is given as:
\[ I = 20 \sin(300 \pi t) \]

### Step 2: Compare with the standard form
The standard form of the equation for alternating current is:
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