components Quiz Practice Quiz | components

Q: Which electronic component is designed to store electrical energy?

Capacitor — Capacitors store energy in an electric field.

Q: What is the primary function of a resistor in a circuit?

To oppose the flow of current — Resistors impede current flow, controlling the circuit's current and voltage.

Q: Which component allows current to flow in only one direction?

Diode — Diodes conduct current in a forward direction and block it in the reverse direction.

Q: What does an inductor store energy as?

Magnetic Field — Inductors store energy in a magnetic field created by current flow.

Q: Which component is primarily used for amplification and switching?

Transistor — Transistors are semiconductor devices crucial for amplification and switching in circuits.

Q: What is the unit of measurement for resistance?

Ohm — Resistance is measured in Ohms (?).

Q: What does a potentiometer do?

Provides variable resistance — A potentiometer is a variable resistor, allowing adjustment of resistance.

Q: What is the unit of measurement for capacitance?

Farad — Capacitance is measured in Farads (F).

Q: What is the function of a fuse in a circuit?

To protect the circuit from overcurrent — A fuse breaks the circuit if the current exceeds a certain level.

Q: What is the unit of measurement for inductance?

Henry — Inductance is measured in Henries (H).

Question 1 of 15

Which electronic component is designed to store electrical energy?

Capacitors store energy in an electric field.

Question 2 of 15

What is the primary function of a resistor in a circuit?

Resistors impede current flow, controlling the circuit's current and voltage.

Question 3 of 15

Which component allows current to flow in only one direction?

Diodes conduct current in a forward direction and block it in the reverse direction.

Question 4 of 15

What does an inductor store energy as?

Inductors store energy in a magnetic field created by current flow.

Question 5 of 15

Which component is primarily used for amplification and switching?

Transistors are semiconductor devices crucial for amplification and switching in circuits.

Question 6 of 15

What is the unit of measurement for resistance?

Resistance is measured in Ohms (?).

Question 7 of 15

What does a potentiometer do?

A potentiometer is a variable resistor, allowing adjustment of resistance.

Question 8 of 15

What is the unit of measurement for capacitance?

Capacitance is measured in Farads (F).

Question 9 of 15

What is the function of a fuse in a circuit?

A fuse breaks the circuit if the current exceeds a certain level.

Question 10 of 15

What is the unit of measurement for inductance?

Inductance is measured in Henries (H).

Question 11 of 15

What type of component is a Light Emitting Diode (LED)?

An LED is a type of diode that emits light when forward biased.

Question 12 of 15

Which component is used to block DC current and pass AC current?

Capacitors block DC current and allow AC current to pass.

Question 13 of 15

What is a relay used for?

Relays use an electromagnet to open or close a circuit.

Question 14 of 15

What does a variable resistor allow you to do?

A variable resistor has an adjustable resistance value.

Question 15 of 15

Which of these is NOT a passive component?

Transistors are active components, capable of amplification.

components Quiz