Voltage eletise - faʻafitauli ma fofo

1. Fuafua le gafatia eletise i se tulaga o loʻo i le 1 cm mai se avega e 5.0 μ C. Faʻamautu o le Coulomb (k) = 9 x 10 ⁹ Nm ² C ⁻² , 1 μC = 10 ⁻⁶ C.

Ua iloa:

O le mamao mai le avega (r) = 1 cm = 1/100 m = 0.01 m = 10 ^-2 m

Totogi (q) = 5.0 μ C = 5.0 x 10 ^-6 C

Fa'amautu o le Coulomb (k) = 9 x 10 ⁹ Nm ² C ⁻²

Mana'omia: Malosiaga eletise (V)

Fofo:

Malosiaga eletise:

O le gafatia eletise e 4.5 x ¹⁰⁶ Volts

2. tau Q₁ = 5.0 μC ma totogi Q₂ = 6.0 μC. Fa'amautu a Coulomb (k) = 9 x 10⁹ Nm²C^-2, 1 μC = 10^-6 C. O le Point A o lo'o i le va o moliga'o. Fuafua le gafatia eletise i le tulaga A.

Ua iloa:

Totogi Q ₁ = -5.0 μ C = -5.0 x 10 ^-6 C

O le mamao o le tulaga A mai le Q ₁ = 10 cm = 0.1 m = 10 ^-1 m

Totogi Q ₂ = 6.0 μ C = 6.0 x 10 ^-6 C

O le mamao o le tulaga a mai le Q ₂ = 10 cm = 0.1 m = 10 ^-1 m

Fa'amautu o Coulomb (k) = 9 x 10 ⁹ Nm ² C ⁻²

Manaomia: Malosiaga eletise i le tulaga A

Fofo:

Malosiaga eletise 1 :

Malosiaga eletise 2 :

Malosiaga eletise i le tulaga A :

V = _V2 – _V1

V = (54 – 45) x 10 ⁴

V = 9 x ¹⁰⁴

3. tau q₁ = 5.0 μC ma totogi q₂ = 6.0 μC. Fa'amautu a Coulomb (k) = 9 x 10⁹ Nm²C^-2, 1 μC = 10^-6 C. Fuafua le gafatia eletise i le tulaga A.

Ua iloa:

Totogi Q ₁ = -5.0 μ C = -5.0 x 10 ^-6 C

O le mamao o le tulaga A mai le Q ₁ = 40 cm = 0.4 m = 4 x 10 ^-1 m

Totogi Q ₂ = 6.0 μ C = 6.0 x 10 ^-6 C

O le mamao o le tulaga A mai le Q ₂ = 50 cm = 0.5 m = 5 x 10 ^-1 m

Fa'amautu o Coulomb (k) = 9 x 10 ⁹ Nm ² C ⁻²

Manaomia: Malosiaga eletise i le tulaga A

Fofo:

Malosiaga eletise 1 :

Malosiaga eletise 2 :

Malosiaga eletise i le tulaga A :

_V = _V1 + V2

V = (-11.25 + 10.8) x ¹⁰⁴

V = -0.45 x ¹⁰³

V = -4.5 x ¹⁰³

O le gafatia eletise i le tulaga A e -4.5 x 10 ³ Volts