What causes a wire to become warm when current flows through it?

A. amperage
B. resistance
C. voltage
D. divergence


Answer: B

Trades & Technology

You might also like to view...

When a leak is identified in an aluminum fuel tank, what do most manufacturers recommend?

A. fill tank with water and weld B. steam tank, charge with nitrogen and weld C. repair with silicone D. replace tank

Trades & Technology

In the election campaign of 1796, the Democratic-Republicans made their primary issue

A. the content of Washington's Farewell Address. B. Washington's refusal to consult Congress before issuing the Neutrality Proclamation. C. the terms of Jay's Treaty and the crushing of the Whiskey Rebellion. D. the terms of the Pinckney Treaty. E. Alexander Hamilton's idea for a national bank.

Trades & Technology

Lime is made by

A) mixing crushed limestone with sulfuric acid and then pulverizing the mixture. B) mixing crushed limestone with water and then pulverizing the mixture. C) mixing crushed limestone with nitric acid and then pulverizing the mixture. D) heating crushed limestone and then pulverizing it.

Trades & Technology

El blindaje del cableado de instrumentación generalmente:

a. no está puesto a tierra. b. está puesto a tierra en cada instrumento. c. está puesto a tierra al estar flotante en ambos extremos del cable. d. está puesto a tierra en un extremo solamente.

Trades & Technology