Question

find the value of unknowns X,Y,Z if ABCD is a parallelogram,

please solve this problem​

Answer 1

Answer:

An ammeter is connected to an unknown resistance in

series with two identical cells (each of emf 1.5 V) when

both the cells are in series, reading of ammeter is 1

ampere and when cells are connected in parallel, reading of ammeter is 0.6 ampere.

Answer 2

x = 105°

y = 105°

z= 75°

Hope it helps ❤️☺️