Electric Circuits Quiz

What is Ohm's Law?

• All of the above

In a series circuit, if the resistance of each resistor is 2 ohms and there are 3 resistors, what is the total resistance?

• 2 ohms

• 4 ohms

• 6 ohms

• 8 ohms

In a parallel circuit, if one branch has a resistance of 4 ohms and another branch has a resistance of 6 ohms, what is the total resistance?

• 2.4 ohms

• 5 ohms

• 10 ohms

• 24 ohms

If a current of 3 amperes flows through a resistor of 5 ohms, what is the voltage across the resistor according to Ohm's Law?

• 8 volts

• 15 volts

• 20 volts

• 25 volts

In a series circuit, if the voltage across the first resistor is 3 volts and the voltage across the second resistor is 5 volts, what is the total voltage supplied by the source?

• 2 volts

• 3 volts

• 5 volts

• 8 volts

In a parallel circuit, if the total current supplied by the source is 10 amperes and there are two branches with equal resistance, what is the current through each branch?

• 2.5 amperes

• 5 amperes

• 10 amperes

• 20 amperes

Which of the following statements is true for a series circuit?

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

• The total resistance is less than the smallest individual resistance.

• The voltage is the same across all components.

• The current is different through each component.

Which of the following statements is true for a parallel circuit?

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

• The total resistance is less than the smallest individual resistance.

• The voltage is different across each component.

• The current is the same through each component.