Two Capacitors, a 20 μ F and a 30 μ

question 21

Multiple Choice

Two capacitors, a 20 μ F and a 30 μ F, are connected in parallel to a 400 Hz source. What is the total capacitive reactance?

• A) 7.96 Ω
• B) 33.16 Ω
• C) 42.04 Ω
• D) 53.05 Ω

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Definitions:

Waiting Line

A waiting line, or queue, is a sequence of people or items awaiting service or processing in various settings, such as in banks, shops, or production systems.

Discrete Probability

The mathematical study of probability where the outcome is determined from a set of distinct, separate values.

Queuing Theory

A body of knowledge about waiting lines.

Little's Law

A principle in queuing theory stating that the long-term average number of customers in a stable system L is equal to the long-term average effective arrival rate, λ, multiplied by the average time a customer spends in the system, W (L = λW).