True or False Questions A) The larger the E field value inside the conductor is,

Question

True or False Questions

A) The larger the E field value inside the conductor is, the larger the current density will be. The ratio of current density over E field is called conductivity of the conductor.

T or F

B) When electric field exists inside a conductor, the charge carriers inside it will continue their “random” motion which is modified by the E field and have a drift velocity along the direction of electric force, which is opposite to the E field direction.

T or F

C) When the potential difference across different wires is fixed, the conductivity determines the current density, the smaller the conductivity, the larger the current density.

T or F

D) When the potential difference across different wires is fixed, the resistance determines the current, the smaller the resistance, the larger the current.

T or F

Explanation / Answer

a) true

b)

When electric field exists inside a conductor, the charge carriers inside it will continue their “random” motion which is modified by the E field and have a drift velocity along the direction of electric force, which is opposite to the E field direction.true

c)false

d) true

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