The materials suitable for making electromagnets should have-
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
The materials suitable for making electromagnets should have-
- high retentivity and high coercivity
- low retentivity and low coercivity
- high retentivity and low coercivity
- low retentivity and high coercivity
Answer
(D) low retentivity and high coercivity
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A deutron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 metre in a plane…
- An electron is moving along positive x axis. A uniform electric field exists towards negative y axis. What…
- Through two parallel wires A and B, 10A and 2A of currents are passed respectively in opposite directions. If…
- A uniform electric field and a uniform magnetic field are pointed in the same direction. If an electron is…
- Two parallel wires carry currents of 20 A and 40 A in opposite directions. Another wire carrying current of…
- Two long conductors, separated by a distance 'd' carry currents I_ 1 and I_ 2 in the same direction. They…
- A particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8 m with…
- Three straight parallel current carrying conductors are shown in the figure. The force experienced by the…
More Magnetic Effects of Current and Magnetism questions · Browse all practice questions