A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a
A
Straight line
B
Circle
C
Helix
D
Cycloid
Easy
Download our app for free and get started
A
Straight line
a As particle is released from rest so it will more along electric field since $\vec \varepsilon \,\,||\,\,\vec B$ so $F_m = 0$ so it will move in a straight line $(\,\vec v\,\,||\,\,\vec B\,)$
Download our app
and get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
A rigid wire consists of a semicircular portion of radius $R$ and two straight sections. The wire is partially immerged in a perpendicular magnetic field $B=B_0\ {j}$ as shown in figure. The magnetic force on the wire if it has a current $i$ is :
A current loop $ABCD$ is held fixed on the plane of the paper as shown in the figure. The arcs $ BC$ (radius $= b$) and $DA $ (radius $= a$) of the loop are joined by two straight wires $AB $ and $CD$. A steady current $I$ is flowing in the loop. Angle made by $AB$ and $CD$ at the origin $O$ is $30^o $. Another straight thin wire with steady current $I_1$ flowing out of the plane of the paper is kept at the origin.
Due to the presence of the current $I_1$ at the origin
A proton beam is going from north to south and an electron beam is going from south to north. Neglecting the earth's magnetic field, the electron beam will deflected (Zero gravity)
Two long and parallel straight wires $A$ and $B$ carrying currents of $8.0\; A$ and $5.0\; A$ in the same direction are separated by a distance of $4.0\; cm$. Estimate the force on a $10\; cm$ section of wire $A.$
A vertical wire carrying a current in the upward direction is placed in horizontal magnetic field directed towards north. The wire will experience a force directed towards