Listrik Statis Dinamis

Open Ended

NIM / ID

Multiple Choice

What is the formula for calculating the resultant electric force (Fr) when multiple electric forces are acting on a charge?

• Fr = √(F12² + F13² + 2F12F13cosØ)

• Fr = F12 + F13 + F1-2 + F1-3

• Fr = F12 - F13 + 2F12F13cosØ

• Fr = F12 + F13 - 2F12F13cosØ

Multiple Choice

Which of the following best describes electric field lines?

• They originate from positive charges and end on negative charges

• They indicate the path that a positive test charge would follow

• Both A and B

• Neither A nor B

Multiple Choice

What does it mean when the electric field lines are close together?

• the field is positive
• the field is negative
• The field is strong
• the field is weak

Multiple Choice

Dua buah muatan masing-masing q1 = 6 μC dan q2 = 12 μC terpisah sejauh 30 cm. Tentukan besar gaya yang terjadi antara dua buah muatan tersebut, gunakan tetapan k = 9 x 10^9 dalam satuan standar!

Two point charges, 𝑞1 = 6 𝜇𝐶 and 𝑞2 = 12 𝜇𝐶 , are separated by a distance of 30 cm. Determine the magnitude of the electric force between the two charges. Use 𝑘 = 9 × 10^9 in standard units.

• 720 N

• 360 N

• 1440 N

• 180 N

Multiple Choice

Determine the magnitude of the resultant Coulomb force acting on charge q1.

• 1.5 N

• 2.5 N

• 3.5 N

• 4.5 N

Open Ended

Three point charges form an equilateral triangle as shown. The distance between each charge is 10 cm. Given: 𝑄1 = +1 C 𝑄2 = 𝑄3 = −2 C Coulomb constant: 𝑘 = 9 × 10^9

Determine the magnitude of the resultant Coulomb force acting on charge 𝑄1.

Fill in the Blanks

Dua buah muatan tersusun seperti gambar berikut! Jika Q1 = + 1 μC, Q2 = - 2 μC dan k = 9 x 10^9 N m² C⁻² tentukan besar dan arah kuat medan listrik pada titik P yang terletak 4 cm di kanan Q1!

Two point charges are arranged as shown in the figure. Given: 𝑄1 = +1 𝜇𝐶 𝑄2 = −2 𝜇𝐶 Coulomb constant: 𝑘 = 9 × 10^9

Determine the magnitude and direction of the electric field at point P, which is located 4 cm to the right of charge 𝑄1

Multiple Choice

What is the electric potential at point P due to the charges Q1, Q2, and Q3?

Coulomb constant: 𝑘 = 9 × 109 N ⋅ m2/C2

𝑄1 = +1 × 10−12 C

𝑄2 = +2 × 10−12 C

𝑄3 = −1 × 10−12 C

• 5.0 x 10^-1 V

• 6.0 x 10^-1 V

• 7.0 x 10^-1 V

• 4.0 x 10^-1 V

Fill in the Blanks

Beda potensial 15 V harus diberikan pada ujung-ujung seutas kawat agar arus 2,5 A

mengalir melalui kawat tersebut. Berapa hambatan listrik kawat?

A potential difference of 15 V is applied across a wire, causing a current of 2.5 A to

flow through it. What is the electrical resistance of the wire?

Fill in the Blanks

Arus listrik 4 A mengalir melalui sebuah resistor 10 ohm. Berapa tegangan listrik yang dibaca oleh voltmeter yang dihubungkan pada ujung-ujung resistor?

An electric current of 4 A flows through a 10-ohm resistor. What voltage will be measured by a voltmeter connected across the resistor?

Fill in the Blanks

Berapa kuat arus listrik yang mengalir melalui seutas kawat yang memili hambatan 0,4 ohm jika ujung-ujungnya diberi tegangan 200 mV?

What is the electric current flowing through a wire that has a resistance of 0.4 ohms if a voltage of 200 mV is applied cross

its ends?

Fill in the Blanks

Kawat yang hambat jenisnya 0,000 001 Ωm dan luas penampangnya 0,000 000 25 m² digunakan

untuk membuat elemen pembakar listrik 1kW yang harus memiliki hambatan listrik 57,6 ohm.

Berapa panjang kawat yang diperlukan?

A wire with resistivity 1×10−61×10−6 Ωm and cross-sectional area 2.5×10−72.5×10−7 m² is used

to make a 1 kW heating element requiring 57.6 Ω57.6 Ω. Find the required length of the wire.

Fill in the Blanks

Seutas kawat memiliki panjang 110 m, diameternya 7 mm, dan hambat jenis 0,000 000 049 Ωm. Tentukan hambatan listrik kawat tersebut?

A wire is 110 m long, diameter 7 mm, resistivity 4.9×10−84.9×10−8 Ωm. Find its resistance.

Fill in the Blanks

Sepotong kawat tembaga mula-mula memiliki hambatan = R.

Kemudian Kawat tersebut dipotong menjadi empat bagian yang sama

panjang. Berapa hambatan masing-masing potongan tembaga

tersebut?

A copper wire has resistance 𝑅 R. If cut into 4 equal lengths, what is

the resistance of each piece?

Open Ended

Seutas kawat memiliki hambatan 40 ohm. Jika kawat tersebut ditarik sehingga

panjangnya menjadi 1,5 kali panjang semula, berapa hambatan kawat itu

sekarang?

A wire has resistance 40 Ω. If it is stretched until its length becomes 1.5 times

the original, what is its new resistance?

Fill in the Blanks

Bila R1 = 30 Ohm, R2 = 40 ohm dan R3= 10 ohm,

berapakah hambatan pengganti dari rangkaian di atas?

If 𝑅1 = 30 Ω, 𝑅2 = 40 Ω, 𝑅3 = 10 Ω

R?

Fill in the Blanks

Diketahui nilai Vtotal adalah sebesar 22 V. Jika diketahui nilai R1 2 Ohm, R2 6 Ohm,

dan R3 3 Ohm. Tentukan nilai voltase pada R3.

𝑅1 = 2Ω, 𝑅2 = 6Ω, 𝑅3 = 3Ω 𝑉total = 22𝑉

V in R3

Fill in the Blanks

Jika R1 = 10 ohm, R2 = 15 ohm dan R3 = 30 ohm, berapakah

hambatan pengganti dari rangkaian diatas?

given

R1 = 10 ohm, R2 = 15 ohm and R3 = 30 ohm

Fill in the Blanks

Diketahui rangkaian pararel seperti pada gambar dibawah ini.

Tentukan kuat arus dan tegangan pada hambatan 2 Ω, 5 Ω dan 8

Ω.

Given: 𝑅1 = 2Ω, 𝑅2 = 5Ω, 𝑅3 = 8Ω 𝑉 = 40𝑉
curret I?

Fill in the Blanks

Berapakah hambatan total dari rangkaian di

samping?

Given resistors: 10Ω, 30Ω, 15Ω, and 5Ω:

Fill in the Blanks

Berapakah hambatan total dari rangkaian di samping?

Series groups: 8Ω & 7Ω and 20Ω & 10Ω

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