Fizik - Elektrik

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• remains at P / Kekal di P

• Moves towards O and remains at O / Bergerak ke arah O dan kekal di O

• Moves towards Q and remain at Q / Bergerak ke arah Q dan kekal di Q

• Moves continuously between P and Q / Bergerak berterusan antara P dan Q.

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• I₁ = I₂

• I₁ < I₂

• I₁ > I₂

• 0.30 A

• 1.20 A

• 0.75 A

• 4.80 A

A cell has e.m.f. of 1.5 V. When it is connected to an external resistor, the potential difference is 1.3 V and the current is 0.2 A. What is the value of the internal resistance?

Satu sel mempunyai d.g.e. 1.5 V. Apabila sel disambung kepada perintang luar, beza keupayaannya ialah 1.3 V dan arus ialah 0.2 A. Berapakah nilai rintangan dalam?

• 0.2 Ω

• 1.0 Ω

• 6.5 Ω

• 7.5 Ω