A domestic appliance draws 2.5 A from a

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Target Exam

CUET

Subject

Physics

Chapter

Alternating Current

Question:

A domestic appliance draws 2.5 A from a 220 V, 50 Hz power supply. The amplitude of current is

Options:

3.5 A

2.5 A

1.8 A

0 A

Correct Answer:

3.5 A

Explanation:

The correct answer is Option (1) → 3.5 A

Given:

RMS current: $I_{\text{rms}} = 2.5\ \text{A}$

Amplitude (maximum) current:

$I_0 = \sqrt{2} I_{\text{rms}} = \sqrt{2} \cdot 2.5 \approx 3.54\ \text{A}$

Amplitude of current $≈ 3.54$ A