If a ferrite slab provides a phase shift of 48⁰/ cm, then the length of the ferrite slab required to produce a phase shift of 90⁰ is:

If a ferrite slab provides a phase shift of 48⁰/ cm, then the length

1.	If a ferrite slab provides a phase shift of 48⁰/ cm, then the length of the ferrite slab required to produce a phase shift of 90⁰ is:
A.	2.44 cm
B.	1.88 cm
C.	4.5 cm
D.	3.5 cm
Answer» C.