Questions
A coil has 2000 turns and area of 70cm2. The magnetic field perpendicular to the plane of the coil is 0.3 Wb/m2 and takes 0.1sec to rotate through 180o. The value of the induced e.m.f. will be
detailed solution
Correct option is B
e=−NBAcosθ2−cosθ1Δt=−2000×0.3×70×10−4(cos180−cos0)0.1⇒e=84VTalk to our academic expert!
Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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
