Electric Field, Potential, Capacitance & Current Notes
Chapter 1: Electric Field and Dipole
Electric Field
Electric field: The sphere around a source charge in which a test charge would experience a force is called the electric field.
Electric Field Lines
Electric field lines: An electric field is represented by imaginary lines of force which are called electric field lines.
Properties
- They are imaginary lines of force.
- In the case of a positive source charge they are radially directed outward.
- They are not closed lines.
Mathematical Definition of Electric Field
Mathematically
Read MoreMemory, Morality, and Identity in Modern Fiction
Memory and Subjectivity in The Sense of an Ending
Julian Barnes’s The Sense of an Ending examines the fallibility of memory and the subjective nature of history. The protagonist, Tony Webster, grapples with the realization that his recollection of the past is a flawed “patchwork.” The novel investigates the theme of “self-preservation” through the protagonist’s selective memory, which serves to protect his ego from the uncomfortable reality of his younger self’s cruelty. This is most evident
Read MoreEthan Frome: Key Symbols and Thematic Resonance
Key Symbols in Ethan Frome
One of the most pervasive symbols in the novel is winter, which dominates both the setting and the characters’ emotional world. Starkfield’s endless snow and freezing temperatures symbolize isolation, stagnation, and death. Ethan’s life, like the frozen landscape, is immobilized; his dreams of education and escape have been buried under economic hardship and responsibility. The whiteness of the snow suggests emptiness and silence, emphasizing Ethan’s emotional sterility
Read MoreCorporate Board Meeting Compliance and Director Duties
Formal Corporate Board Meetings: Legal Requirements
A Board Meeting is the formal, legal gathering of a company’s Board of Directors to discuss, decide upon, and oversee the strategic and operational management of the company. In Company Law, the Board of Directors is the main decision-making organ of the company, and its powers are exercised through resolutions passed at duly convened and conducted Board Meetings.
What Constitutes a Board Meeting?
A Board Meeting is a fundamental component of corporate
Read MoreIndia’s Major Environmental Laws: Wildlife, Forest, Air, Water
1. The Wildlife (Protection) Act, 1972
The Wildlife (Protection) Act, 1972 was enacted to protect wild animals, birds, and plants and to ensure ecological and environmental security in India. The Act provides for the creation of national parks, wildlife sanctuaries, conservation reserves, and community reserves. It prohibits hunting, poaching, and illegal trade of wildlife and wildlife products. The Act classifies species into six schedules, with Schedules I and II providing the highest level of
Read MoreDigital Forensics Q&A: Key Terms and Core Concepts
Digital Forensics Q&A
Which of the following is the best definition of “forensics”?✅ The process of using scientific knowledge for collecting, analyzing, and presenting digital computer evidence to the courts
One must be able to show the whereabouts and custody of evidence, and how it was handled and stored and by whom, from the time the evidence is first seized by a law enforcement officer or civilian investigator until the moment it is shown in court. What standard does this refer to?✅ Chain
Read MoreBoost Café Loyalty App Sign-Ups 40% with Fast Onboarding
Research: Situation Analysis
Situation analysis: Customers dont understand how the loyalty app works; signup takes too long. Social media presence is active but inconsistent. Posters are hard to readmdashes? texts are small and easy to miss.
Publics (Primary + Secondary)
Primary: University students, young professionals nearby.
Secondary: Existing customers, student clubs, campus organizations.
Barriers
App confusion, sign-up takes too long, perceived inconvenience during purchase, weak in-store visibility,
Community Nutrition Strategies to Prevent Cancer
Primary Prevention of Tumours via Community Nutrition
Page 14 — Background
Background:
- Although our genes influence our risk of cancer, most of the difference in cancer risk between people is due to factors that are not inherited.
- Reasons for the large international differences in the incidence of most cancers are unknown.
- For most people who do not use tobacco, the most important cancer risk factors that can be changed are: body weight, diet, and physical activity. These same behaviours are also linked
BJT Common-Base (CB) Configuration Characteristics and Switching Times
Unit 3: BJT Common-Base Configuration
2. Draw the Circuit Diagram and Explain the Characteristics of BJT in CB
Characteristics of BJT in CB Configuration
The V-I characteristics of a BJT in the common-base (CB) configuration describe the relationship between the voltages and currents at the emitter and collector for various base currents. These characteristics are divided into input and output characteristics.
1. Input Characteristics (Emitter–Base V‑I)
These characteristics show the relationship
Read MoreIndian Export Promotion Schemes and Trade Regulations
Export Marketing Fundamentals and Risks
Export marketing refers to the marketing of goods and services from one country to another. It involves selling domestic products in foreign markets. However, it carries certain risks because of differences in currency, culture, government policies, and global economic conditions.
Risks Involved in Export Marketing:
- Political Risk: Changes in government policies, trade restrictions, or political instability in the importing country can affect exports.
- Economic