Convenience With the use of computers, a student’s life has been made very convenient. By just using this device, students can write and research their school works online and communicate with...
2 Answers 1 views(c) Both a & b
2 Answers 1 views1. c 2. d 3. b 4. e 5. a
2 Answers 1 viewsThe main function of earth wire is to protect appliances from sudden damage due to leakage of current. Earthing protects us against accidental electric shock. The earthing of metallic appliances...
2 Answers 1 viewsAngle of dip (90°) is maximum at magnetic poles.
2 Answers 1 viewsVertical component of earth’s magnetic field is zero at magnetic equator.
2 Answers 1 viewsCorrect Answer - A `V_(0)=sqrt((GM)/(R+h))rArr V_(0)prop1/(sqrt(R+h))`
2 Answers 2 viewsCorrect Answer - A Both the Assertion and the Reason are correct and Reason is correct explanation of Assertion.
2 Answers 1 viewsCorrect option is (b) moon
2 Answers 1 viewsComputer is the greatest blessing of science.
2 Answers 2 views