Curie temperature above which
Curie temperature above which Options (a) paramagnetic material becomes ferromagnetic material (b) ferromagnetic material becomes diamagnetic material (c) Ferromagnetic material…
6 years ago
Magnetic Effects of Current and Magnetism
An alternating electric field, of frequency v, is applied across the dees (radius = R)
An alternating electric field, of frequency v, is applied across the dees (radius = R) of a cyclotron that is…
6 years ago
The direction of magnetic line of force of a bar magnet is
The direction of magnetic line of force of a bar magnet is Options (a) from south to north pole (b)…
6 years ago
Charge q is uniformly spread on a thin ring of radius R. The ring rotates
Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a…
6 years ago
Weber/m² is equal to
Weber/m² is equal to Options (a) volt (b) henry (c) tesla (d) all of these Correct Answer: teslaExplanation:No explanation available.…
6 years ago
Graph of force per unit length between two long parallel current carrying
Graph of force per unit length between two long parallel current carrying conductors and the distance between them is Options…
6 years ago
Magnetic susceptibility of a material is given as
Magnetic susceptibility of a material is given as Options (a) M/H (b) M²/H² (c) MxH (d) H/M Correct Answer: M/H…
6 years ago
A uniform electric field and uniform magnetic field are acting along the same
A uniform electric field and uniform magnetic field are acting along the same direction in a certain region. If an…
6 years ago
Sound production from tape recorder makes use of
Sound production from tape recorder makes use of Options (a) crests and troughs (b) magnetic energy (c) electrical energy (d)…
6 years ago
When an electron beam passes through an electric field they gain kinetic energy.
When an electron beam passes through an electric field they gain kinetic energy. lf the same electron beam passes through…
6 years ago