Capacitors and Reactance Concepts

The video tutorial covers the behavior of capacitors in series and parallel configurations, focusing on their capacitance and how it changes. It introduces capacitive reactance, explaining its role in AC circuits and how it affects current flow. The tutorial provides formulas for calculating capacitive reactance and demonstrates practical applications using Ohm's Law. It concludes with a guide on using a calculator to perform these calculations.

What happens to the total capacitance when capacitors are added in series?

• It remains the same.

• It decreases.

• It doubles.

• It increases.

In a parallel configuration, how does the total capacitance change?

• It increases.

• It remains the same.

• It decreases.

• It halves.

What is the role of capacitive reactance in an AC circuit?

• It decreases the frequency.

• It increases the voltage.

• It provides opposition to current flow.

• It stores energy.

How is capacitive reactance measured?

• In volts

• In farads

• In ohms

• In amperes

Which formula component is replaced when calculating capacitive reactance instead of inductive reactance?

• Frequency

• Voltage

• Capacitance

• Inductance

What is the relationship between current and capacitive reactance in Ohm's Law?

• Current is directly proportional to capacitive reactance.

• Current is inversely proportional to capacitive reactance.

• Current is equal to capacitive reactance.

• Current is independent of capacitive reactance.

In a series circuit, how do you calculate the total opposition provided by capacitors?

• Add the individual reactances.

• Multiply the individual reactances.

• Subtract the individual reactances.

• Divide the individual reactances.

What happens to the current when capacitors are placed in parallel?

• It increases.

• It remains the same.

• It decreases.

• It stops.

How do you enter a microfarad value into a calculator for reactance calculations?

• As a fraction.

• As a positive exponent.

• As a negative exponent.

• As a whole number.

What is the effect of a smaller capacitance on capacitive reactance?

• It doubles the reactance.

• It has no effect.

• It increases the reactance.

• It decreases the reactance.