Questions
A conductor of length and mass m is placed along the east-west line on a horizontal table. Suddenly a certain amount of charge is passed through it and it is found to jump to a height h. The earth's magnetic field is B (horizontal). The charge passed through the conductor is :
detailed solution
Correct option is D
∫Fdt=mv ......(i)∫iℓBdt=mv ....(ii) From (i) and (ii) v=qBℓm---(1)h=v22g⇒v=2gh---(2)from (1) and (2) we get ⇒q=m2ghBℓTalk to our academic expert!
Similar Questions
What is the value of B (in 10-8 T ) that can be set up at the equator to permit a proton of speed to circulate around the earth?
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
