Capacitors Explained - The basics how capacitors work working principle

Capacitors Explained - The basics how capacitors work working principle

Assessment

Interactive Video

Architecture, Engineering, Physics, Science

University

Hard

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The video tutorial explains the function and importance of capacitors in electrical circuits. It compares capacitors to water tanks to illustrate how they store and release energy, smoothing out interruptions in power supply. The video details the construction of capacitors, their applications in various devices, and how to measure their capacitance and voltage safely. It emphasizes the importance of handling capacitors with care due to their ability to store high voltage.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key difference between a capacitor and a battery?

A capacitor is safer to handle than a battery.

A capacitor can store more energy than a battery.

A capacitor is used only in large circuits.

A capacitor charges and discharges energy faster than a battery.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the water tank analogy, what does the water tank represent in an electrical circuit?

A capacitor

A battery

A switch

A resistor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a capacitor is connected to a battery?

Electrons build up on one plate of the capacitor.

The capacitor immediately discharges.

Electrons flow through the capacitor.

The capacitor explodes.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is indicated by the stripe and symbol on the side of a capacitor?

The voltage rating

The positive side

The negative side

The capacitance value

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use capacitors in AC to DC conversion?

To smooth out the power supply

To increase the voltage

To decrease the current

To store more energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do before handling a capacitor that has been disconnected from a circuit?

Connect it to a battery

Measure the resistance

Discharge it safely

Check the capacitance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is capacitance typically measured?

In watts

In farads

In volts

In ohms