A 900 pF battery is charged by 100 V battery. How much electrostatic energy is stored by the capacitor ?

Asked by Last Modified  

59 Answers

Follow 0
Answer

Please enter your answer

Rajesh N V

Home Tutor

4.5 micro joules
Comments
Dislike Bookmark

Tutor

as we know electrostatic energy = 1/2 CV2 where c is capacitance v is potential so keeping the values in the formula we get (1/2) X 900 X 10-12 X (100)2 = 9 X 10-6 J this answers first part f the problem now after disconnecting it is joined to another 900pF capacitor in series therefore now new capacitance...
read more
as we know electrostatic energy = 1/2 CV2 where c is capacitance v is potential so keeping the values in the formula we get (1/2) X 900 X 10-12 X (100)2 = 9 X 10-6 J this answers first part f the problem now after disconnecting it is joined to another 900pF capacitor in series therefore now new capacitance is 1/C' = 1/900 + 1/900 hence C'= 450 pF so now new electrostatic energy = 1/2 C'V2 = 4.5 X 10-6 J hence lost energy is (9 - 4.5) X 10-6 J . read less
Comments
Dislike Bookmark

School & Engineering tuition, Hindi tution

Its 4.5 micro joules as the stored energy is given by E=(1/2)*C*V^2
Comments
Dislike Bookmark

M.Sc. Biomedical Genetics, B.Sc. Biotechnology

The charge on the capacitor is Q = CV = 900 × 1012 F × 100 V = 9 × 108 C The energy stored in the capacitor = (1/2) CV2 = (1/2) QV = (1/2) × 9 × 108 C × 100 V = 4.5 × 10% J
Comments
Dislike Bookmark

Physics Tutor

u=1/2 cV2 U=9x10pow -6 joule
Comments
Dislike Bookmark

Excellent Coaching for CBSE, ICSE, IGCSE and IAL Physics, Chemistry +

U= 1/2 CV^2 =4.5x10^-6 joules
Comments
Dislike Bookmark

Problem Cracker

Electrostatic energy E=0.5*C*V^2 so your answer is E=0.5*900*10000=4.5*10^6 pJ
Comments
Dislike Bookmark

B.SC MATHEMATICS(PURSUING)

.5*c*v^2
Comments
Dislike Bookmark

Tutor

ans is 2.25*10^(-6)
Comments
Dislike Bookmark

Tutor

pico farad
Comments
Dislike Bookmark

View 57 more Answers

Related Questions

A Clock strikes three ( at 3 AM ). And when it does so 3 seconds elapse. How long does it take the clock to strike seven ( at 7 AM )?
Between the three strikes there are 2 intervals, which are each 1.5 seconds long. To strike seven there are 6 intervals. So it will take total 6*1.5 = 9 seconds for seven strikes.
Prosenjit Mondal
0 0
View Comments8
Unlike charges __________. (Attract each other, Repel Each other, Neither attract nor repel each other, None of these)
Attract each other
Narendra Kumar
0 0
View Comments6
what is the weight of light? as it can't come out of black hole, it must be having some weight
We know that light has energy, just like a ball that is hurled at a wall pushes the wall a little bit, light photons that hit any surface push the surface a bit and then bounce off. When light encounters...
Rohit
Can magnetic field and electric field exist separately ?
Nope... It can't
Ranjan Mishra
0 0
View Comments9
. Einstein’s Theory of Relativity states that the speed of light in vacuum is __________. (Independent of the motion of the source and the observer, affected by either drift, dependent on the motion of the source and the observer)
Independent of the motion of the source and the observer
Narendra Kumar
0 0
View Comments6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Solution to a integration problem
∫ 1/(1 - e× ) dx Let's add and subtract e× in the numerator = ∫ {( 1 - e× ) + e× } / (1 - e× ) dx = ∫ = ∫ 1•dx + ∫ e× / ( 1 - e×...

B.sudhakar

4 0
View Comments1
HRA: House Rent Allowance
What is HRA? HRA or House Rent Allowance is a component of salary provided by employer to his employee. If you receive HRA as part of your salary and you live in a rented accommodation, then you can claim...

Fr Prashanth Reddy

Ways to Learn Faster, Deeper, and Better Health
Shake a leg. Lack of blood flow is a common reason for lack of concentration. If you’ve been sitting in one place for awhile, bounce one of your legs for a minute or two. It gets your blood flowing...

Pawan Rama Mali

1 0
View Comments0
Biology Question and Answer
Which protein(s) make up a skeletal muscle thick filament? Question options: 1) Troponin 2) Actin 3)...
S

Subimal Banerjee

1 0
View Comments0
Solution to a integration problem
∫ x^4 / ( x² + 1 ) dx As the degree of numerator is higher than that of the denominator, let's divide x^4 by ( x² + 1 ). = ∫ x² - 1 + 1/(x² + 1 ) dx = ∫ x² dx - ∫1•dx + 1/ ( 1 + x² ) dx =

B.sudhakar

3 0
View Comments0

Recommended Articles

Meet Radhe Shyam Burman, an MBA Tutor from...

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Meet Raghunandan.G.H, a B. Tech Tutor from...

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Find Class XII Tuition near you
Class XII Tuition in Delhi
Class XII Tuition in Bangalore
Class XII Tuition in Hyderabad
Class XII Tuition in Chennai
Class XII Tuition in Kolkata
Class XII Tuition in Mumbai
Class XII Tuition in Pune
Class XII Tuition in Jaipur
Class XII Tuition in Lucknow
Class XII Tuition in Noida
Online Tuition Class 12

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you