Understanding Resistors: Series and Parallel

What is the total resistance of three resistors with resistances of 2 Ω, 3 Ω, and 5 Ω connected in series?

• 10 Ω

• 5 Ω

• 3 Ω

• 2 Ω

If two resistors, 4 Ω and 6 Ω, are connected in parallel, what is the equivalent resistance?

• 10 Ω

• 5 Ω

• 2.4 Ω

• 1.5 Ω

Which of the following statements is true about resistors in series?

• The total resistance is less than the smallest resistor.

• The total resistance is the sum of the individual resistances.

• The total resistance is the product of the individual resistances.

• The total resistance is equal to the largest resistor.

If a 10 Ω resistor and a 20 Ω resistor are connected in series, what is the total resistance?

• 30 Ω

• 15 Ω

• 10 Ω

• 5 Ω

Which of the following is a characteristic of resistors in parallel?

• The total resistance is greater than the largest resistor.

• The total resistance is less than the smallest resistor.

• The total resistance is equal to the sum of the resistors.

• The total resistance is equal to the average of the resistors.

What happens to the total resistance when more resistors are added in series?

• It decreases.

• It remains the same.

• It increases.

• It becomes zero.

If three resistors, each of 6 Ω, are connected in parallel, what is the equivalent resistance?

• 18 Ω

• 6 Ω

• 2 Ω

• 1 Ω

What is the effect on the total resistance if one of the resistors in a parallel circuit is removed?

• The total resistance increases.

• The total resistance decreases.

• The total resistance remains the same.

• The total resistance becomes zero.

In a series circuit with a 5 Ω and a 10 Ω resistor, what is the voltage drop across the 10 Ω resistor if the total voltage is 15 V?

• 5 V

• 10 V

• 7.5 V

• 15 V