dwalker24276 dwalker24276
  • 07-06-2017
  • Physics
contestada

An increase in voltage causes a greater electric resistance in a circuit.  true or false???

Respuesta :

anonymous79
anonymous79 anonymous79
  • 07-06-2017
True
Because resistance= voltage/current
when current is constant and voltage increases, resistant increases
Answer Link
Chlidonias
Chlidonias Chlidonias
  • 04-09-2019

Answer:

False

Explanation:

the resistance of the material stays the same as long as the material does not heat up. It does not depend on the voltage applied.

Resistance depends on

  1. the material it is made of(ρ),
  2. the length(L) and
  3. cross sectional area (A)

[tex]R = \rho L/A[/tex]

When the voltage is increased, the current will increase but the resistance will remain unchanged.

V = IR

Answer Link

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