Answers by EE-Expert

What is Power Factor , Unity , Lagging & Leading Power Factor Explain
Answer : Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=15964266573149624668...

Apply Thevenin's theorem to find the current flowing through 10 Ohm resistor in the circuit shown in Fig. ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=17093197202595013139
Answer : Solution : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=7777645411503729955...

Stability analysis using Routh-Hurwitz array
Answer : ### **1. The Big Picture: Why Do We Need This?** Imagine you've designed a system-it could be a cruise control for a car, a thermostat for a house, or a robot arm. The most important question you ... further sign changes, it's **Marginally Stable**. If there are sign changes, it's **Unstable**. |...

CLASSIFICATION OF ELECTRICAL NETWORKS
Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=4913467249129943372 An electrical network is an interconnection of various electrical components like resistors, capacitors, inductors, ... with **Lumped, Linear, and Bilateral networks**, which may be either active or passive....

When to Use Star Connection and When to Use Delta ?
Answer : ![][1] ![][2] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=2709696531258548398 [2]: https://electrical-engineering.app/?qa=blob&qa_blobid=3165450322949766875 ### **Part ... and single-phase) and unbalanced currents. | Balanced, high-power loads where reliability is critical. |...

![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=16376151831243866731
Answer : To find the equivalent resistance `Rab` between terminals a and b, we need to simplify the given resistor network. This circuit contains a "bridge" configuration that cannot be simplified using only standard series ... 36.25 Ω** The equivalent resistance between terminals a and b is **36.25 Ω**....

What does a wattmeter measure?
Answer : ### In Simple Terms A wattmeter measures **electrical power**. Think of it like this: * **Voltage** (measured by a voltmeter) is like the *pressure* of water in a pipe. * **Current** (measured ... potential or "pressure." | | **Ammeter** | Amps (A) | Measures electrical current or "flow." |...

What is the purpose of earthing or grounding in an electrical installation?
Answer : The primary and most critical purpose of earthing (or grounding, as it's more commonly called in North America) in an electrical installation is **safety**. It acts as a ... that saves lives and prevents fires by ensuring any dangerous electrical fault is instantly and automatically disconnected....

Define resistivity and conductivity of a material.
Answer : --- ### Overview **Resistivity** and **Conductivity** are two fundamental, intrinsic properties of a material that describe how it behaves in the presence of an electric field. They are ... (high conductivity) lets water flow easily, while a very sticky surface (low conductivity) hinders it....

List the factors that affect the resistance of a metallic conductor.
Answer : The resistance of a metallic conductor is determined by four main factors. Here is a list and explanation of each factor: ### 1. Length of the Conductor (L) * **Relationship:** ... (Note: Temperature is not explicitly in this formula, as resistivity (ρ) itself is temperature-dependent.)*...