Assume that a 6-Ω load is connected to the secondary in Fig. 19–15b and c. How much is the...

Assume that a 6-Ω load is connected to the secondary in Fig. 19–15b and c. How much is the current in each individual primary winding in

a. Fig. 19–15b?

b. Fig. 19–15c?

Figure 19–15 Transformer with multiple primary windings. (a) Phasing dots show primary leads with same instantaneous polarity.

(b) Primary windings connected in series to work with a primary voltage of 240 V; NP/NS = 10:1. (c) Primary windings connected in parallel to work with a primary voltage of 120 V; NP/NS = 5:1.