Magnetic field due to currentHard
Question
When the current flowing in a circular coil is doubled and the number of turns of the coil in it is halved, the magnetic field at its centre will become :-
Options
A.Same
B.Four times
C.Half
D.Double
More Magnetic field due to current Questions
An a-particle experiences a force of 3.84 × 10-14 N when its moves perpendicular to magnetic field of 0.2 Wb/m2 the...Current i = 2.5 A flows along the circle x2 + y2 = 9 cm2(here x & y in cm) as shown. Magnetic field point (0, 0, 4 cm) i...Consider the following statements regarding a charged particle in a magnetic field. Which of the statements are true ?...Shown in the figure is a conductor carrying a current I. The magnetic field intensity at the point O (common centre of a...A long straight wire along the z-axis carries a current i in the negative z-direction. The magnetic vector field at a po...