The characteristic that determines whether a substance is ferromagnetic or not is called ____.

A. retentivity
B. permeability
C. residuality
D. polarity


Answer: B

Trades & Technology

You might also like to view...

Explain why low-slope roof components (membrane, cover board, insulation, adhesives, and fasteners) must be obtained from the same manufacturer.

What will be an ideal response?

Trades & Technology

Motors are selected mainly because of the starting torque required for the motor to perform its function.

Answer the following statement true (T) or false (F)

Trades & Technology

The cold anticipator starts the cooling system early to allow the air-conditioning system to get up to capacity when needed.

Answer the following statement true (T) or false (F)

Trades & Technology

____ has a higher tensile strength and lower creep than the tin-lead solders.

A. Tin-antimony B. Cadmium-silver C. Cadmium-zinc D. Copper-zinc

Trades & Technology