Question is ⇒ Assertion (A): An electron having charge - e and mass m and lying in an electric field E is subjected to an acceleration - (e/m) E.Reason (R): If there are n electrons/m3 moving with velocity vx and each electron has a charge - e, the current density J = - n evx., Options are ⇒ (A) Both A and R are true and R is correct explanation of A, (B) Both A and R are true but R is not correct explanation of A, (C) A is true but R is false, (D) A is false but R is true, (E) , Leave your comments or Download question paper.

Question is ⇒ Assertion (A): An electron having charge - e and mass m and lying in an electric field E is subjected to an acceleration - (e/m) E.Reason (R): If there are n electrons/m3 moving with velocity vx and each electron has a charge - e, the current density J = - n evx., Options are ⇒ (A) Both A and R are true and R is correct explanation of A, (B) Both A and R are true but R is not correct explanation of A, (C) A is true but R is false, (D) A is false but R is true, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Assertion (A): An electron having charge - e and mass m and lying in an electric field E is subjected to an acceleration - (e/m) E. Reason (R): If there are n electrons/m³ moving with velocity v_x and each electron has a charge - e, the current density J = - n ev_x.
A.	Both A and R are true and R is correct explanation of A [Wrong Answer]
B.	Both A and R are true but R is not correct explanation of A [Correct Answer]
C.	A is true but R is false [Wrong Answer]
D.	A is false but R is true [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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