Question

Electron beam
into page
20. Read the following and answer any four questions from 20 () to 20 (»).
The diagram shows a beam of electrons about to enter a magnetic field. The direction of the field is
into the page.
X X X X
X X X X Magnetic field
X X X X
X X X X
(1) What will be the direction of current as electron beam enters from left to right and magnetic
field is into the field as shown in diagram?
(a) Left to right
(b) Right to left
(c) (a) and (b) both
(d) None of these
(i) Which of the following rule is applied to determine the direction of deflection, if any, as the
beam passes through the magnetic field (as shown in diagram)?
(a) Fleming's left hand rule
(6) Fleming's right hand rule
(c) Lenz's law
(d) Right hand thumb rule
(iii) When current is parallel to magnetic field, then force experience by the current carrying conductor
placed in uniform magnetic field is
(a) Twice to that when angle is 60°
(6) Thrice to that when angle is 60°
(C) zero
(d) infinite​

Answer 1

Answer:

1-b. 2-d. 3-c

Explanation:

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Answer 2

Answer:

1-b 2-d 3-c

Explanation:

What is the d and e answer