Understanding Basic Electronics

What symbol represents a battery in a circuit diagram?

• A single circle with a plus sign inside.

• Two overlapping squares.

• A series of long and short parallel lines.

• A zigzag line with a dot at one end.

In a series circuit, how does the total resistance compare to individual resistances?

• The total resistance is greater than the individual resistances.

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

• The total resistance is the same as the largest individual resistance.

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

What is the unit of electric current?

• watt

• ampere

• volt

• ohm

Which of the following is a type of electrical source?

• Resistor

• Generator

• Capacitor

• Battery

What is the relationship between voltage, current, and resistance known as?

• Kirchhoff's Law

• Ohm's Law

• Newton's Law of Cooling

• Faraday's Law

In a parallel circuit, how does the voltage across each component compare?

• The voltage is zero across all components.

• The voltage varies depending on the current through each component.

• The voltage across each component is the same.

• The voltage across each component is different.

What does the symbol 'R' typically represent in circuit diagrams?

• Capacitor

• Inductor

• Resistor

• Diode

What happens to the total current in a series circuit when more resistors are added?

• The total current fluctuates randomly.

• The total current remains the same.

• The total current decreases.

• The total current increases.

What is the unit of voltage?

• Volt

• Joule

• Watt

• Ohm

Which circuit configuration allows for multiple paths for current to flow?

• Open circuit

• Series circuit

• Parallel circuit

• Short circuit