A particle of charge q=16×10−18 C moving with 10ms−1 along x−axis enter a magnetic field of induction B along the y−axis and an electric field 104 Vm−1 along negative z−direction. If the particle continues to move along x−axis then the strength of magnetic field is
103 Wbm−2
105 Wbm−2
10−3 Wbm−2
1016 Wbm−2
A
1016 Wbm−2
B
103 Wbm−2
C
105 Wbm−2
D
10−3 Wbm−2
Open in App
Solution
Verified by Toppr
The particle moves along x−axis undeflected. Magnetic force: →Fmag=q(→v×→B)=q(10^i×→B) Electric force: →Fe=q→E=−q×104^k →Fmag+→Fe=0 ⇒q(10^i×→B)=q×104^k ⇒→B=103^jWbm−2
Was this answer helpful?
1
Similar Questions
Q1
A particle of charge q=16×10−18 C moving with 10ms−1 along x−axis enter a magnetic field of induction B along the y−axis and an electric field 104 Vm−1 along negative z−direction. If the particle continues to move along x−axis then the strength of magnetic field is
View Solution
Q2
A particle of charge −16×10−18C moving with velocity 10ms−1 along the X-axis enters region where a magnetic field of induction B is along the Y-axis and an electric field of magnitude 104V/m is along the negative Z-axis. If the charged particle continues moving along the X-axis, the magnitude of B is -
View Solution
Q3
A particle of charge −16×10−18 coulomb moving with velocity 10 ms−1 along the x-axis enters a region where a magnetic field of induction B is along the y -axis, and an electric field of induction B is along the y-axis, and an electric field of magnitude 104V/m is along the negative z-axis. lf the charged particle continues moving along the x-axis, the magnitude of B is
View Solution
Q4
A particle of mass 1×10−26kg and charge 1.6×10−19C travelling with a velocity 1.28×106m/s along the positive X-axis enters a region in which a uniform electric field →E and a uniform magnetic field of induction →B are present. if →E=−102.4×103^kNC−1 and →B=8×10−2^jWbm−2, the direction of motion of the particles is
View Solution
Q5
A particle of mass 1×10−26kg and charge 1.6×10−19C travelling with a velocity 1.28×106ms−1 along the positive X−axis enters a region in which there is a uniform electric field →E=−102.4×103kNC−1 and magnetic field →B=8×10−2^jWbm−2 , the direction of motion of the particles is :