Last Updated On [03-11-2023]
An electron moving with uniform region velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following quantities is (are) non zero and remain constant?
I. Speed of the electron
II. Momentum of the electron (magnitude)
IIL Kinetic energy of the electron
IV. Force of the electron (magnitude)
(a)
only I and II
(b)
only III and IV
(c)
all four
(d)
only II and IV
An electron moving with uniform region velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following quantities is (are) non zero and remain constant?
I. Speed of the electron
II. Momentum of the electron (magnitude)
IIL Kinetic energy of the electron
IV. Force of the electron (magnitude)
(a)
only I and II
(b)
only III and IV
(c)
all four
(d)
only II and IV
Question ID - 154483 :-
An electron moving with uniform region velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following quantities is (are) non zero and remain constant?
I. Speed of the electron
II. Momentum of the electron (magnitude)
IIL Kinetic energy of the electron
IV. Force of the electron (magnitude)
(a)
only I and II
(b)
only III and IV
(c)
all four
(d)
only II and IV
|
An electron moving with uniform region velocity in x direction enters a region of uniform magnetic field along y direction. Which of the following quantities is (are) non zero and remain constant? I. Speed of the electron II. Momentum of the electron (magnitude) IIL Kinetic energy of the electron IV. Force of the electron (magnitude) |
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|
(a) |
only I and II |
(b) |
only III and IV |
(c) |
all four |
(d) |
only II and IV |
Next Question :
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The direction of magnetic field lines produced in a current carrying conductor can be determined by |
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|
(a) |
right hand thumb (grip) rule |
(b) |
Fleming’s left hand rule |
|
(c) |
Fleming’s right hand rule |
(d) |
Faraday's laws |
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