Subject: General Science
Book: NCERT Science Class 7
Electricity flows through conductors and powers electrical appliances.
- **Effects of Electric Current**:
- **Heating Effect**: Used in electric irons, geysers.
- **Magnetic Effect**: Creates a magnetic field (Example: Electromagnets).
- **Circuit Components**:
- A complete circuit is needed for current to flow.
- Switches control the flow of electricity.
**Possible Exam Questions:**
1. What are the heating and magnetic effects of electric current?
2. How does an electric circuit work?
3. What is the role of a switch in an electric circuit?
4. Explain how electromagnets are used in daily life.
5. How do fuses protect electrical appliances?
What is the primary component of the Sun?
View QuestionWhich element is the most abundant in the Earth’s crust?
View QuestionWhich gas is most abundant in Earth’s atmosphere?
View QuestionWhat is the approximate age of the Earth?
View QuestionWhat is the term for water changing from liquid to gas?
View QuestionWhich is the largest planet in the Solar System?
View QuestionWhich metal is liquid at room temperature?
View QuestionWhat is the most common state of matter in the universe?
View QuestionWhat is the unit of force in the SI system?
View QuestionWhich component of blood carries oxygen?
View Question