DC Circuit MCQ Quiz: Electrical and Electronics Engineering Chapter 1

What is the unit of electrical resistance?

What do resistors commonly do?

What is the unit of inductance?

In a series circuit, what is the total resistance equal to?

What do inductors resist changes in?

In a DC circuit, how does an inductor behave?

What is the primary purpose of using capacitors in an AC circuit?

What does a voltage source provide in a circuit?

In a DC circuit, what does an ideal voltage source provide?

What symbol is commonly used to represent a voltage source in a circuit diagram?

What does a current source provide in a circuit?

In a DC circuit, what does an ideal current source provide?

What symbol is commonly used to represent a current source in a circuit diagram?

Which statement about voltage and current sources is true?

In a circuit with both a voltage source and a current source in parallel, what happens to the current through each source?

Which type of source is typically used to represent a battery in a circuit diagram?

Electrical Resistance and Inductance

The unit of electrical resistance is ohms (Ω).
Resistors commonly resist the flow of electric current.
The unit of inductance is henries (H).
In a series circuit, the total resistance is equal to the sum of the individual resistances.

Inductors and Capacitors

Inductors resist changes in electric current.
In a DC circuit, an inductor behaves as a short circuit, allowing maximum current flow.
The primary purpose of using capacitors in an AC circuit is to filter or regulate the voltage.

Voltage and Current Sources

A voltage source provides a fixed voltage in a circuit.
In a DC circuit, an ideal voltage source provides a constant voltage regardless of the current drawn.
The symbol commonly used to represent a voltage source in a circuit diagram is V.
A current source provides a fixed current in a circuit.
In a DC circuit, an ideal current source provides a constant current regardless of the voltage across it.
The symbol commonly used to represent a current source in a circuit diagram is I.
In a circuit with both a voltage source and a current source in parallel, the current through each source is determined by the internal resistance of the source.
A true statement about voltage and current sources is that a voltage source provides a fixed voltage, while a current source provides a fixed current.
A battery is typically represented by a voltage source in a circuit diagram.

Test your knowledge of DC circuits with this multiple choice quiz. Questions cover topics such as electrical resistance, resistors, and series circuits.