SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10−29 C.m. What is the potential energy of the electric dipole?

a.

− 9 × 10−20 J

b.

− 7 × 10−27 J

c.

− 10 × 10−29 J

d.

− 20 × 10−18 J


Question ID - 50343 :-

An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10−29 C.m. What is the potential energy of the electric dipole?

a.

− 9 × 10−20 J

b.

− 7 × 10−27 J

c.

− 10 × 10−29 J

d.

− 20 × 10−18 J

1 Answer
5876 Votes
3537

Answer Key : (b) -

U = −

    = −PE cos

    = − (1029) (103) cos 45

    = −0.707 x 1026 J

    = − 7 x 1027 J.



Next Question :

A simple pendulum of length 1 m is oscillating with an angular frequency 10 rad/s. The support of the pendulum starts oscillating up and down with a small angular frequency of 1 rad/s and amplitude of 10−2 m. The relative change in the angular frequency of the pendulum is best given by

a.

10−3 rad/s

b.

10−1 rad/s

c.

1 rad/s

d.

10−5 rad/s


View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.


SaraNextGen