Circuits Fundamentals Quiz: Test Your Circuit Analysis Skills! Quiz

1. Ohm’s Law Application

   If a resistor has a voltage of 10 volts across it and a current of 2 amperes flowing through it, what is its resistance according to Ohm’s Law?

   1. 5 ohms
   2. 20 ohms
   3. 8 ohms
   4. 10 ohms
   5. 12 omhs

2. Identifying Series Circuits

   Which of the following statements best describes a series circuit?

   1. All components share the same current
   2. All components share the same voltage
   3. Each component has a different current
   4. There are multiple paths for the current to flow
   5. The voltge is the same across all ellements

3. Parallel Resistance Calculation

   In a parallel circuit with two 4-ohm resistors, what is the equivalent resistance?

   1. 2 ohms
   2. 8 ohms
   3. 4 ohms
   4. 0.5 ohms
   5. 16 ohms

4. Interpreting Circuit Diagrams

   Given the circuit code: R1 = 2Ω in series with R2 = 3Ω, what is the total resistance?

   1. 5 ohms
   2. 6 ohms
   3. 1.5 ohms
   4. 0.5 ohms
   5. 8 ohms

5. Voltage Drop Recognition

   If a 12 V battery is connected in series to two equal resistors, what is the voltage drop across each resistor?

   1. 6 volts
   2. 12 volts
   3. 3 volts
   4. 2 volts
   5. 10 volts

6. Calculating Current in a Simple Circuit

   A 9V battery is connected across a 3 ohm resistor. What is the current through the circuit?

   1. 3 amperes
   2. 9 amperes
   3. 6 amperes
   4. 0.33 ampers
   5. 1 ampere

7. Choosing the Correct Law

   Which law states that the total current entering a junction equals the total current leaving the junction?

   1. Kirchhoff’s Current Law
   2. Ohm’s Law
   3. Kirchoff’s Voltage Law
   4. Joule’s Law
   5. Faraday's Law

8. Effect of Adding Resistors in Series

   What happens to the total resistance if more resistors are added in series to a circuit?

   1. The total resistance increases
   2. The total resistance decreases
   3. The total resistance stays the same
   4. The circuit becomes open
   5. Only the voltage increases

9. Identifying Errors in Options

   Which of the following is NOT a correct expression of Ohm’s Law?

   1. I = V / R
   2. V = IR
   3. R = V / I
   4. V = RI
   5. V = I * R

10. Practical Circuit Scenario

    If three resistors (2Ω, 3Ω, 6Ω) are connected in parallel, what is the total resistance?

    1. 1 ohm
    2. 11 ohms
    3. 2 ohms
    4. 0.5 ohms
    5. 4 ohms