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puneet kumar Grade: 12

1 A  uniform electric field pointing in positive x- direction exists in region.Let A be the origin, B be the point on the x=+1cm and C be the point on y-axis at C=+1cm.Then at which point potential is maximum, and why? 

2  if a positively charged pendulum is oscillating  in a uniform electric field.then what will happen to its time period as compared to that when it was uncharged?

7 years ago

Answers : (2)

Askiitians Expert Soumyajit IIT-Kharagpur
28 Points

Dear Puneet Kumar,


QSN no 1 The field is uniform throughout and hence it's value will be the same at both the points

 B & C

QSN 2 :- If the field is vertical then it will affect the SHM. We have to see whether the force qE (where q is the charge and E is the electric field) is dowdward or upward. If the time period is T=2∏√(l/g) ihen it will be

g′=g+qE/m when force is downward

g′=g-Eq/m when force is upward.

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Askiitians Experts
Soumyajit Das IIT Kharagpur

7 years ago
motilal daima
13 Points
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one year ago
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