Short answer questions in the Electrical Engineering optional subject are evaluated based on the following criteria:

1. Relevance and accuracy: The answer should directly address the question and provide accurate information. It should demonstrate a clear understanding of the topic and avoid any irrelevant or extraneous information.

2. Completeness: The answer should cover all the important aspects of the question and provide a comprehensive response. This includes including all necessary details, examples, and explanations.

3. Clarity and organization: The answer should be well-structured and coherent. It should be easy to read and understand, with a logical flow of ideas. The use of headings, bullet points, and paragraphs can help in organizing the content effectively.

4. Technical knowledge: The answer should demonstrate a strong grasp of the technical concepts and principles related to electrical engineering. It should showcase an in-depth understanding of the subject matter and the ability to apply the knowledge effectively.

5. Problem-solving skills: Electrical engineering involves problem-solving, and the answer should showcase the candidate's ability to analyze and solve problems related to the topic. It should include relevant calculations, formulas, and methodologies to arrive at the solution.

6. Conciseness: While the answer should be comprehensive, it should also be concise and to the point. Unnecessary repetition or elaboration should be avoided to ensure clarity and readability.

7. Language and presentation: The answer should be written in clear and concise language, with proper grammar, punctuation, and spelling. It should be presented in a neat and organized manner, with appropriate use of headings, bullet points, and formatting to enhance readability.

Conclusion:
In conclusion, short answer questions in the Electrical Engineering optional subject are evaluated based on relevance, accuracy, completeness, clarity, organization, technical knowledge, problem-solving skills, conciseness, language, and presentation. Candidates should aim to provide accurate and comprehensive responses, demonstrating their understanding of the subject matter and their ability to apply the knowledge effectively. Organizing the content with headings and bullet points can enhance the visual appeal and readability of the answer.