Document Text Contents
Page 16
17. A charged particle is moving along positive y-axis in uniform electric and
magnetic fields 0
ˆE E k=
r
and 0
ˆB B i=
r
. Here E0 and B0 are positive constants.
Choose the correct options
a) particle may be deflected towards positive z-axis
b) particle may be deflected towards positive z-axis
c) particle may pass undeflected
d) kinetic energy of particle may remain constant
18. ABCD is a square. There is a current I in wire EFG as shown. Choose the
correct options
A
B C
D
E
F
G
I
a) Net magnetic field at A is into the page
b) Net magnetic field at B is of zero magnitude
c) Net magnetic field at C is out of the page
d) Net magnetic field at D is into the page
19. There are two wires ab and cd in the same vertical plane as shown in
figure. Direction of current in wire ab is rightwards. Choose the correct
options
a) If wire ab is fixed then wire cd can be kept in equilibrium by the current
in cd in leftward direction
17. A charged particle is moving along positive y-axis in uniform electric and
magnetic fields 0
ˆE E k=
r
and 0
ˆB B i=
r
. Here E0 and B0 are positive constants.
Choose the correct options
a) particle may be deflected towards positive z-axis
b) particle may be deflected towards positive z-axis
c) particle may pass undeflected
d) kinetic energy of particle may remain constant
18. ABCD is a square. There is a current I in wire EFG as shown. Choose the
correct options
A
B C
D
E
F
G
I
a) Net magnetic field at A is into the page
b) Net magnetic field at B is of zero magnitude
c) Net magnetic field at C is out of the page
d) Net magnetic field at D is into the page
19. There are two wires ab and cd in the same vertical plane as shown in
figure. Direction of current in wire ab is rightwards. Choose the correct
options
a) If wire ab is fixed then wire cd can be kept in equilibrium by the current
in cd in leftward direction
