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?
Which component of blood carries oxygen?
View QuestionWhat is the boiling point of water at standard atmospheric pressure?
View QuestionWhich is the largest planet in the Solar System?
View QuestionWhat is the main function of the ozone layer?
View QuestionWhat is the chemical formula of methane?
View QuestionWhich part of the brain is responsible for balance and coordination?
View QuestionWhich process describes the splitting of a nucleus into smaller nuclei?
View QuestionWhich metal is liquid at room temperature?
View QuestionWhich type of bond is present in sodium chloride?
View QuestionWhat is the largest organ in the human body?
View Question