In an ideal transformer

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

In an ideal transformer, the correct relation between the secondary and primary voltages is (a)

\dfrac{V_s}{V_p}=\dfrac{N_p}{N_s}

(b)

\dfrac{V_s}{V_p}=\dfrac{I_s}{I_p}

(c)

\dfrac{V_s}{V_p}=\dfrac{N_s}{N_p}

(d)

\dfrac{V_s}{V_p}=\left(\dfrac{N_s}{N_p}\right)^2