NEET Exam  >  NEET Notes  >  Physics Class 12  >  Quick Revision: Alternating Current

Quick Revision: Alternating Current | Physics Class 12 - NEET PDF Download

Download, print and study this document offline
98 videos|387 docs|104 tests

Top Courses for NEET

FAQs on Quick Revision: Alternating Current - Physics Class 12 - NEET

1. What is alternating current?
Ans. Alternating current (AC) is an electric current that periodically changes direction, flowing first in one direction and then reversing to flow in the opposite direction. This type of current is commonly used in households and industries to power electrical devices.
2. How is alternating current generated?
Ans. Alternating current is generated by an electrical generator, which consists of a rotating electromagnet within a magnetic field. As the magnet rotates, it induces a continuously changing voltage in the wire coils, resulting in the production of alternating current.
3. What are the advantages of alternating current over direct current?
Ans. Alternating current has several advantages over direct current. Firstly, it can be transmitted over long distances with less power loss compared to direct current. Secondly, it is easier to change the voltage of alternating current using transformers, making it suitable for different applications. Lastly, alternating current can be easily generated using power plants, allowing for efficient distribution.
4. How does alternating current differ from direct current?
Ans. The main difference between alternating current (AC) and direct current (DC) lies in the direction of the flow of electrons. In AC, the electrons periodically change their direction of flow, while in DC, the electrons flow consistently in one direction. AC is typically used for large-scale power distribution, while DC is commonly used in batteries and electronic devices.
5. What are the safety considerations when working with alternating current?
Ans. When working with alternating current, it is important to take certain safety precautions. This includes ensuring proper insulation of wires and electrical devices, using appropriate protective gear such as gloves and goggles, and following proper grounding techniques. It is also crucial to be aware of the potential hazards of electrical shocks and to handle electrical equipment with caution to prevent accidents.
98 videos|387 docs|104 tests
Download as PDF
Explore Courses for NEET exam

Top Courses for NEET

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Sample Paper

,

pdf

,

Quick Revision: Alternating Current | Physics Class 12 - NEET

,

mock tests for examination

,

Extra Questions

,

Previous Year Questions with Solutions

,

Summary

,

Quick Revision: Alternating Current | Physics Class 12 - NEET

,

shortcuts and tricks

,

Exam

,

Objective type Questions

,

Viva Questions

,

MCQs

,

Quick Revision: Alternating Current | Physics Class 12 - NEET

,

Important questions

,

practice quizzes

,

past year papers

,

Free

,

video lectures

,

Semester Notes

,

study material

,

ppt

;