Introduction:
In the field of Electrical Engineering, solving numerical questions is a crucial aspect of understanding and applying various concepts. When it comes to solving these numerical questions, students often wonder whether it is better to use shortcuts or step-by-step calculations. Let us analyze the advantages and disadvantages of both approaches to determine which one is more beneficial.

Shortcuts:
Using shortcuts can be advantageous in certain scenarios. Some of the benefits of using shortcuts are:

1. Time-saving: Shortcuts allow for faster calculations, which can be particularly useful in time-constrained exams like the UPSC. By using shortcuts, students can solve numerical questions more efficiently and have more time to attempt other questions.

2. Enhanced problem-solving skills: Learning and applying shortcuts requires a deep understanding of the underlying concepts. By using shortcuts, students develop problem-solving skills and gain a better understanding of the subject matter.

3. Increased accuracy: Shortcuts are often derived from fundamental formulas and principles. Therefore, using shortcuts can lead to more accurate results, as they are based on well-established concepts.

Step-by-step calculations:
While shortcuts have their advantages, step-by-step calculations also offer several benefits. Some of these advantages include:

1. Better conceptual understanding: Step-by-step calculations involve a detailed breakdown of the problem, allowing students to grasp the underlying concepts more effectively. This approach helps in building a strong foundation and understanding the logical progression of the calculations.

2. Reduced chance of errors: Step-by-step calculations involve a systematic approach, which minimizes the likelihood of making mistakes. By following a structured method, students can identify and rectify errors more easily, ensuring accuracy in their answers.

3. Flexibility across different problem types: Step-by-step calculations provide a versatile approach that can be applied to various problem types. This flexibility allows students to tackle a wide range of numerical questions, regardless of their complexity.

Conclusion:
In conclusion, both shortcuts and step-by-step calculations have their own advantages in solving numerical questions in the field of Electrical Engineering. While shortcuts can save time, enhance problem-solving skills, and increase accuracy, step-by-step calculations contribute to a better conceptual understanding, reduce the chance of errors, and provide flexibility across different problem types. It is recommended that students strike a balance between using shortcuts and step-by-step calculations, depending on the context and requirements of the question. By combining the benefits of both approaches, students can optimize their problem-solving abilities and excel in their Electrical Engineering studies.