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Intermediate 10 questions Pass 70%

Electrical Laws and Circuits Quiz

Practise Ohm’s law, Kirchhoff’s laws, series and parallel resistance, power and voltage dividers with ten explained questions.

Answer without pressure: the score is educational and every question is explained after submission. Your answers are graded by the server so the answer key is never sent to the browser before you submit.
Question 1 1 pt

Which expression states Ohm’s law correctly?

Question 2 1 pt

Two resistors of 3 Ω and 6 Ω are connected in series. What is the total resistance, in ohms?

Question 3 1 pt

Kirchhoff’s current law states that at a junction…

Question 4 1 pt

Kirchhoff’s voltage law states that around a closed loop…

Question 5 1 pt

Two 12 Ω resistors in series are connected across 24 V. What current flows?

Question 6 1 pt

Which formula gives DC power in terms of voltage and current?

Question 7 1 pt

Two 6 Ω resistors are connected in parallel. What is the equivalent resistance, in ohms?

Question 8 1 pt

In a parallel circuit, the total current from the source is…

Question 9 1 pt

A current of 0.5 A flows through a 12 Ω resistor. What voltage is across it, in volts?

Question 10 1 pt

Two equal resistors form an unloaded voltage divider across 12 V. What is the voltage across each resistor?

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