The direction of electric field at the centre of the square is along
Two concentric rings, one of radius R and total charge +Q and second of radius 2 R and total charge −8–√Q, lie in x−y plane (i.e., z = 0 plane). The common centre of rings lies at origin and the common axis coincides with z-axis. The charge is uniformly distributed on both rings. At what distance from origin is the net electric field on z-axis zero?
15
Sep
Two concentric rings, one of radius R and total charge +Q and second of radius 2 R and total charge −8–√Q, lie in x−y plane (i.e., z = 0 plane). The common centre of rings lies at origin and the common axis coincides with z-axis. The charge is uniformly distributed on both rings. At what [...]
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2q ,
3q and 4q are placed at the corner A ,
B ,
C and D of a square as shown in the fig ,
Charges q ,
lie in x−y plane (i.e. ,
one of radius R and total charge +Q and second of radius 2 R and total charge −8–√Q ,
The direction of electric field at the centre of the square is along ,
Two concentric rings ,
Two semicircular rings lying in same plane, of uniform linear charge density `lambda` have radius r and 2r. They are joined using two straight uniformly charged wires of linear charge density `lambda` and length r as shown in figure. The magnitude of electric field at common centre of semi circular rings is –
15
Sep
Two semicircular rings lying in same plane, of uniform linear charge density `lambda` have radius r and 2r. They are joined using two straight uniformly charged wires of linear charge density `lambda` and length r as shown in figure. The magnitude of electric field at common centre of semi circular rings is – 2q 3q [...]
Charges q, 2q , 3q and 4q are placed at the corner A, B, C and D of a square as shown in the fig, The direction of electric field at the centre of the square is along
15
Sep
Charges q, 2q , 3q and 4q are placed at the corner A, B, C and D of a square as shown in the fig, The direction of electric field at the centre of the square is along 2q 3q and 4q are placed at the corner A B C and D of a square [...]