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Given: current I = 2.5 A, Inductance, L = 5H. Magnetic flux, ϕ = ?

1. ϕ = L × I = 5 × 2.5 Wb = 12.5 Wb
2. ϕ = L × I = 5 × 2.5 Wb = 10 Wb
3. ϕ = L × I = 5 × 2.5 Wb = 15 Wb
4. ϕ = L × I = 5 × 2.5 Wb = 20 Wb

Correct answer: ϕ = L × I = 5 × 2.5 Wb = 12.5 Wb

Solution

The magnetic flux (ϕ) is given by the formula ϕ = L × I, where L is the inductance and I is the current. Substituting the given values, ϕ = 5 × 2.5 = 12.5 Wb.

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