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Jasmine Mishra
Subject: Physics
, asked on 30/4/18
derive expression to find out the capacitance of two concentric shells when inner shell is grounded
Answer
1
Sharon Raphel
Subject: Physics
, asked on 30/4/18
Question no. 8
Q8. The two plates of a parallel plate capacitor are 4mm apart. A slab of K = 3 and thickness 3mm is introduced between the plates. The distance of the plates is adjusted so that the capacitances become 2/3
rd
of the original value. What is the new distance between the plates?
Answer
1
Avinash R
Subject: Physics
, asked on 29/4/18
An electron (charge=-e) is placed at each of the eight corners of a cube of side a and an alpha particle(charge=+2e) at the centre of the cube. calculate the potential energy of the system.
Answer
1
Avinash R
Subject: Physics
, asked on 29/4/18
Example 52. From the network shown in Fig. 2.62, find the value of the capacitance C if the equivalent capacitance between points A and B is to be 1
μ
F. All the capacitances are in
μ
F.
Answer
1
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this:
Q. Will an electron in an electric field move towards higher potential or lower potential? What about proton?
Answer
1
Zaheen
Subject: Physics
, asked on 28/4/18
Question) Thus, the electric potential increase or decrease along an electric line or force?
Answer
2
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this:
Q. How can the whole charge of the conductor be transferred to another isolated conductor?
Answer
2
Zaheen
Subject: Physics
, asked on 28/4/18
Question) A small metallic is placed at the centrer of a large charged spherical shell and the two are connected by a wire. Will any charge flow on the inner sphere?
Answer
2
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this :
Q.
5 J work is done in moving a positive charge of 0.5 C b/w two points. Find the potential difference b/w the points ?
Answer
2
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this:
Q. An
α
particle is placed in an electric field of
4
.
5
×
10
4
N
/
C
. Calculate force on this particle.
Answer
2
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this :
Q.
A sphere S
1
encloses a charge q, there is a larger concentric sphere S
2
with no additional charge b/w S
1
& S
2
. Find the ratio of electric flux to S
1
& S
2
.
Answer
1
Zaheen
Subject: Physics
, asked on 28/4/18
Solve this:
Q. If coulomb's law involved
1
r
3
dependence. Would Gauss law still hold?
Answer
1
Zaheen
Subject: Physics
, asked on 28/4/18
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Answer
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Shashwat Pratap Singh
Subject: Physics
, asked on 28/4/18
A layer of oil with density 724 kg/m^3 floats on water of density 1000 kg/m^3. A block floats at the oil-water interface with 1/6 of its volume in oil and 5/6 of its volume in water, as shown in the figure. What is the density of the block?
Answer
1
Gagans Vipassana
Subject: Physics
, asked on 28/4/18
Two charges -q and +q are located at points A(0,0,-a) and B (0,0,+a) respectively. How much work is done in moving a test charge from point p(7,0,0) to q (-3,0,0)
Answer
1
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What are you looking for?
Q8. The two plates of a parallel plate capacitor are 4mm apart. A slab of K = 3 and thickness 3mm is introduced between the plates. The distance of the plates is adjusted so that the capacitances become 2/3rd of the original value. What is the new distance between the plates?
Q. Will an electron in an electric field move towards higher potential or lower potential? What about proton?
Q. How can the whole charge of the conductor be transferred to another isolated conductor?
Q. 5 J work is done in moving a positive charge of 0.5 C b/w two points. Find the potential difference b/w the points ?
Q. An particle is placed in an electric field of . Calculate force on this particle.
Q. A sphere S1 encloses a charge q, there is a larger concentric sphere S2 with no additional charge b/w S1 & S2. Find the ratio of electric flux to S1 & S2.
Q. If coulomb's law involved dependence. Would Gauss law still hold?