Elektr kuchlanishi – muammolar va yechimlar

1. 5.0 μC zaryaddan 1 sm masofada joylashgan nuqtadagi elektr potensialini aniqlang. Kulon doimiysi (k) = 9 x 109 ^Nm 2 ^C −2 ^, 1 μC = 10 ⁻⁶ C.

Ma'lum:

Zaryaddan masofa (r) = 1 sm = 1/100 m = 0.01 m = 10 ^-2 m

Zaryad (q) = 5.0 μ C = 5.0 x 10 ^-6 C

Kulon doimiysi (k) = 9 x 10 ⁹ Nm ² C ⁻²

Kerakli: Elektr potensiali (V)

yechim:

Elektr potensiali:

Elektr potensiali 4.5 x 106 ^voltga teng

[irp]

2. ayblash Q₁ = 5.0 μC va zaryadlang Q₂ = 6.0 μC. Kulon doimiysi (k) = 9 x 10⁹ Nm²C^-2, 1 μC = 10^-6 C. A nuqtasi zaryadlar orasida joylashgan. A nuqtasida elektr potensialini aniqlang.

Ma'lum:

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

A nuqtaning Q _{1 dan} masofasi = 10 sm = 0.1 m = ¹⁰ -1 m

Q ₂ zaryadi = 6.0 μ C = 6.0 x 10 ^-6 C

a nuqtaning Q ₂ dan masofasi = 10 sm = 0.1 m = 10 ^-1 m

Kulon doimiysi (k) = 9 x 10 ⁹ Nm ² C ⁻²

Kerakli: A nuqtadagi elektr potensiali

yechim:

Elektr potensiali 1 :

Elektr potensiali 2 :

A nuqtadagi elektr potensiali :

V = V ₂ – V ₁

V = (54 – 45) x 10 ⁴

V = 9 x 10 ⁴

[irp]

3. ayblash q₁ = 5.0 μC va zaryadlang q₂ = 6.0 mkC. Kulon doimiysi (k) = 9 x 10⁹ Nm²C^-2, 1 μC = 10^-6 C. A nuqtadagi elektr potensialini aniqlang.

Ma'lum:

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

A nuqtaning Q ₁ dan masofasi = 40 sm = 0.4 m = 4 x 10 ^-1 m

Q ₂ zaryadi = 6.0 μ C = 6.0 x 10 ^-6 C

A nuqtaning Q ₂ dan masofasi = 50 sm = 0.5 m = 5 x 10 ^-1 m

Kulon doimiysi (k) = 9 x 10 ⁹ Nm ² C ⁻²

Kerakli: A nuqtadagi elektr potensiali

yechim:

Elektr potensiali 1 :

Elektr potensiali 2 :

A nuqtadagi elektr potensiali :

_V = _V1 + V2

V = (-11.25 + 10.8) x 10 ⁴

V = -0.45 x 10 ⁴

V = -4.5 x 10 ³

A nuqtadagi elektr potensiali -4.5 x 10 ³ voltga teng