Recent questions without a selected answer

Evaluate log3 81
Answer : ### **Step-by-Step Solution** #### Step 1: Set up the equation Let's set the expression equal to a variable, like `x`. `log₃ 81 = x` Our goal is to find the value of `x`. #### Step 2: Convert the logarithm ... 3⁴ = 81`, we can substitute 4 back in for `x`. `x = 4` Therefore: **log₃ 81 = 4**...

Torque equation and generated emf in rotor of single phase induction motor.
Answer : The analysis of a single-phase induction motor is fascinating because, unlike its three-phase counterpart, it is not self-starting. The key to understanding its torque and EMF lies in the **Double ... is zero. Once the motor starts rotating (slip decreases from 1), a positive net torque develops....

Explain Squirrel Cage Induction Generator (SCIG) and also draw a diagram.
Answer : ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=15646281222121025403 Explanation (Operation):-  In this system gearbox is used to increase the speed of high speed ... , variable voltage output of the generator into the fixed frequency, fixed voltage output required for grid....

Draw a block diagram of thermal power plant.

Describe with sketches the process of laying of underground cables by the drawing in method.
Answer : ### **The "Drawing In" Method for Laying Underground Cables** This method involves first installing a system of pipes or conduits (called ducts) underground. The cables are then pulled, or " ... duct system. However, this is often offset by the long-term flexibility and protection it provides....

Three resistors 1 Ohm , 2 Ohm and 3 Ohm are combined in series. What is the total resistance of the combination?
Answer : When resistors are combined in series, the total resistance is the sum of the individual resistances. The formula is: R_total = R1 + R2 + R3 Given the values: * R1 = 1 Ω * R2 = 2 Ω * R3 = 3 Ω ... = 1 Ω + 2 Ω + 3 Ω = 6 Ω So, the total resistance of the combination is **6 Ohms**....

Draw the labeled hysteresis loop for an electromagnetic material.
Answer : ![][1] hysteresis loop [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=16263897287610247627...

State the need for strictly following safety rules while working in electrical installations.
Answer : Strictly following safety rules while working in electrical installations is not merely a recommendation; it is an absolute necessity. Electricity is an invisible, powerful, and unforgiving hazard. The rules ... protect the worker, their colleagues, the public, and the property they are working on....

State the procedure for laying / installation of underground cable.
Answer : 1) Direct laying Cable: or Trench laying method: ![][1] [1]: https://electrical-engineering.app/?qa=blob&qa_blobid=2239248645105787017 Procedure:  For laying of a cable trench about 1.5m deep ... one cable does not damage the adjacent cable.  Only armored cables are used in this method. ...

Explain HRGO and CRGO. State benefits of CRGO for manufacturing of core.
Answer : ### **Explanation of HRGO and CRGO** Both HRGO and CRGO are types of "electrical steel" or "silicon steel." Their primary purpose is to be used in the cores of electromagnetic ... smaller, lighter, quieter, and more energy-efficient devices with a longer and more reliable operational lifespan....