Which expression is right about EMF equation of a transformer if f = frequency, N 1 = number of turns in primary, ϕ m = maximum flux in a core, A = iron area, B m = maximum flux density?

Correct Answer is : E = 4.44 f N1 ϕm

SSC JE Electrical Engineering 9 Oct 2023 Shift 3 Paper

Question : 103 of 200

Marks: +1, -0

Which expression is right about EMF equation of a transformer if f = frequency, N₁ = number of turns in primary, ϕ_m = maximum flux in a core, A = iron area, B_m = maximum flux density?

E = 4.44 f N₁ ϕ_m
E = 4.44 f N1 Bm
E = 4.44 f N1 ϕ_mA
E = 4 f N1 ϕ_mA

Validate

Go to Question:

Prev Question

Next Question