Recent questions without an upvoted answer

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Answer : ### (i) Insulation between heating element and base plate of electric iron. **Selected Material:** **Mica** **Reasoning:** The insulation in an electric iron has a unique set of ... is very lightweight, has a high strength-to-weight ratio, and performs exceptionally well in polluted environments....

Explain the suitability of aluminum as an electrical conductor with respect to its mechanical and electrical properties.
Answer : Aluminum is an excellent and widely used electrical conductor, second only to copper in global usage. Its suitability is a trade-off: it is not as conductive as copper, but its significantly lower ... at a premium and high conductivity in a small package is essential, copper is the superior choice....

Define earthing. State its types.
Answer : ### Definition of Earthing **Earthing** (also known as **grounding** in North American English) is the process of connecting the non-current-carrying metallic parts of electrical equipment and ... ** protects the end-user. Both are crucial components of a safe and reliable electrical installation....

Draw circuit diagram for one lamp controlled with one switch.
Answer : Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=5451139298613837756...

State the type of insulating materials under Class Y and Class B.
Answer : The classification of insulating materials is based on their maximum continuous operating temperature. Here are the details for Class Y and Class B. ### Class Y Insulation This is the lowest ... Common Use** | Older or very low-cost devices | Industrial motors, generators, transformers |...

State gaseous and liquid insulating material.
Answer : Insulating materials, also known as dielectrics, are substances that resist the flow of electric current. They are essential in electrical equipment for preventing short circuits, ensuring safety, and ... voltage pulse systems and as a coolant in some high-power electronic devices and transmitters....

State the material used for making (1) Magnetic Core (2) Fuse element
Answer : ### (1) Magnetic Core The material used for a magnetic core is a **soft magnetic material**, with the specific choice depending on the application (e.g., frequency of the magnetic ... current rating and performance requirements. **Key Properties:** Low melting point and low electrical resistance....

State the types of protections provided by MCB.
Answer : A Miniature Circuit Breaker (MCB) provides two fundamental types of protection for an electrical circuit. Both are designed to protect the wiring and connected appliances from damage caused by excessive ... dangers of excessive current: **slow-burning overloads** and **violent short circuits**....

State different types of holders used in wiring installation.
Answer : 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder...

Find the Thevenin equivalent circuit of the circuit shown in Fig. to the left of the terminals a-b. Then find the current through RL = 6, 16, and 36 Ohm. ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=8797772883006435339
Answer : Solution : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=9419660387739356857...