(i) State the law that gives the polarity of the induced emf.
(ii) A `15.0 muF` capacitor is connected to 220 V, 50 Hz source. Find the capacitive reactance and the rms current.

Explanation

### Step-by-Step Solution:

#### Part (i): State the law that gives the polarity of the induced emf.

1. **Identify the Law**: The law that gives the polarity of the induced electromotive force (emf) is **Faraday's Law of Electromagnetic Induction**.
2. **Explanation**: Faraday's Law states that the induced emf in a closed circuit is directly proportional to the rate of change of magnetic flux through the circuit. It also implies that the direction (or polarity) of the induced emf is such that it opposes the change in magnetic flux that produced it, which is known as Lenz's Law.

#### Part (ii): Find the capacitive reactance and the rms current.
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