Understanding DC Series Circuits

In a DC series circuit, if the total resistance is 10 ohms and the current flowing through the circuit is 2 amperes, what is the total voltage across the circuit?

• 5 volts

• 10 volts

• 20 volts

• 40 volts

Which of the following statements is true about a DC series circuit?

• The current is different at different points in the circuit.

• The voltage is the same across each component.

• The total resistance is the sum of individual resistances.

• The power is the same across each component.

If three resistors of 4 ohms, 6 ohms, and 8 ohms are connected in series in a DC circuit, what is the total resistance?

• 18 ohms

• 24 ohms

• 14 ohms

• 10 ohms

In a DC series circuit, if the voltage across a 5-ohm resistor is 10 volts, what is the current flowing through the resistor?

• 0.5 amperes

• 1 ampere

• 2 amperes

• 5 amperes

What happens to the total resistance in a DC series circuit if one more resistor is added in series?

• It decreases.

• It remains the same.

• It increases.

• It becomes zero.

In a DC series circuit, if the total voltage is 30 volts and the total resistance is 15 ohms, what is the current flowing through the circuit?

• 0.5 amperes

• 1 ampere

• 2 amperes

• 3 amperes

Which of the following is a characteristic of a DC series circuit?

• The total voltage is the sum of the voltages across each component.

• The total current is the sum of the currents through each component.

• The total power is the sum of the powers across each component.

• The total resistance is the product of the resistances of each component.

If a DC series circuit has a total resistance of 12 ohms and a current of 3 amperes, what is the power consumed by the circuit?

• 36 watts

• 72 watts

• 108 watts

• 144 watts

In a DC series circuit, if the current is 4 amperes and the voltage across the circuit is 48 volts, what is the total resistance?

• 8 ohms

• 12 ohms

• 16 ohms

• 20 ohms

If a DC series circuit consists of a 10-ohm resistor and a 5-ohm resistor, and the current flowing through the circuit is 2 amperes, what is the voltage across the 10-ohm resistor?

• 5 volts

• 10 volts

• 15 volts

• 20 volts