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Welcome to our Electrical Learning Page! We are dedicated to helping you understand the fundamental concepts of electricity and electronics.

Whether you're a student, hobbyist, or just interested in learning more about the field, this page is for you.

31/08/2026

Basic Electrical Question — Series & Parallel Combined Circuit

A 36V DC supply is connected to a 6Ω resistor in series with two resistors of 12Ω and 6Ω connected in parallel.

Find:

1. The equivalent resistance of the parallel section.

2. The total resistance of the circuit.

3. The total current supplied by the 36V source.

4. The current through the 12Ω resistor.

5. The current through the 6Ω parallel resistor.

6. The voltage across the parallel section.

Try to solve it yourself before checking the answer.

31/08/2026

Basic Electrical Question — Series & Parallel Combined Circuit

A 24V DC supply is connected to a 4Ω resistor in series with two resistors of 8Ω and 8Ω connected in parallel.

Find:

1. The equivalent resistance of the parallel section.

2. The total resistance of the circuit.

3. The total current supplied by the 24V source.

4. The current through each 8Ω parallel resistor.

5. The voltage across the 4Ω resistor.

Try to solve it yourself before checking the answer.

31/08/2026

Basic Electrical Question — Series & Parallel Combined Circuit

A 24V DC supply is connected to a 6Ω resistor in series with two resistors of 12Ω and 4Ω connected in parallel.

Find:

1. The equivalent resistance of the parallel section.

2. The total resistance of the circuit.

3. The total current supplied by the 24V source.

4. The current flowing through the 12Ω and 4Ω resistors.

Try to solve it step by step before checking the answer.

31/08/2026

Basic Electrical Question — Series & Parallel Combined Circuit

Question:
A 12V battery is connected to a circuit where a 4Ω resistor is in series with two 6Ω resistors connected in parallel.

Find:

1. The equivalent resistance of the circuit.

2. The total current supplied by the battery.

3. The current flowing through each 6Ω parallel resistor.

Try to solve it yourself before checking the answer.

30/08/2026

Q8 — Combined Series & Parallel Circuit

A 36 V DC supply is connected to a 6 Ω resistor in series with a parallel combination of 12 Ω and 6 Ω resistors.

Find:

1. Equivalent resistance of the parallel section

2. Total circuit resistance

3. Total current supplied by the source

4. Voltage across the 6 Ω series resistor

5. Voltage across the parallel section

6. Current through the 12 Ω resistor

7. Current through the 6 Ω parallel resistor

30/08/2026

Q7 — Combined Series & Parallel Circuit

A 24 V DC supply is connected to a 3 Ω resistor in series with a parallel combination of 6 Ω and 12 Ω resistors.

Find:

1. Equivalent resistance of the parallel section

2. Total circuit resistance

3. Total current supplied by the source

4. Voltage across the 3 Ω resistor

5. Voltage across the parallel section

6. Current through the 6 Ω resistor

7. Current through the 12 Ω resistor

30/08/2026

Q6 — Combined Series & Parallel Circuit

A 30 V DC supply is connected to a 5 Ω resistor in series with a parallel combination of 10 Ω and 15 Ω resistors.

Find:

1. Equivalent resistance of the parallel section

2. Total circuit resistance

3. Total current supplied by the source

4. Current through the 10 Ω resistor

5. Current through the 15 Ω resistor

6. Voltage across the parallel section

30/08/2026

Next Combined Circuit Question

Q5: A 24 V battery is connected to a 4 Ω resistor in series with a parallel combination of 6 Ω and 12 Ω resistors.

Find:

1. Equivalent resistance of the parallel section

2. Total circuit resistance

3. Total current from the battery

4. Current through the 6 Ω resistor

5. Current through the 12 Ω resistor

30/08/2026

Can You Solve This Combined Circuit Without Looking at the Answer?

Series + Parallel circuits can look confusing at first… but once you learn how to break the circuit into small sections, the problem becomes much easier.

Try the questions in the image and challenge yourself:

• Find equivalent resistance
• Find total resistance
• Calculate total current
• Find branch currents

Don’t just memorize formulas — understand how the circuit behaves.

Comment your answer to Q1 below. Let’s see who gets it right!

30/08/2026

With Kgomotso Ligudu – I just got recognized as one of their top fans! 🎉

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