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New Question

11 months ago

0 Follower 82 Views

A
alok kumar singh

Contributor-Level 10

1.29 Let us consider a conductor with a cavity or a hole. Electric field inside the cavity is zero. Let E be the electric field outside the conductor, q is the electric charge, σis the charge density and ε0 is the permittivity of free space.

Charge q =σ ×ds 

According to Gauss’s law, fluxφ = E.ds = q?0=σ×ds?0

Hence, E = σ2ε0n

Therefore, the electric field just outside the conductor is σ2ε0n . This field is a superposition of field due to the cavity E’ and the field due to the rest of the charged conductor E’. These fields are equal and opposite inside the conductor and equal in magnitude and direction outside the conductor.

...more

New Question

11 months ago

0 Follower 1 View

P
Payal Gupta

Contributor-Level 10

8.5 The lowest tuning frequency ν1 = 7.5 MHz = 7.5 ×106 Hz

The highest tuning frequency ν2 = 12 MHz = 12 ×106 Hz

Speed of light, c = 3 ×108 m/s

The wavelength for lowest tuning frequency, λ1 = cν1 = 3×1087.5×106 = 40 m

The wavelength for highest tuning frequency, λ2 = cν2 = 3×10812×106 = 25 m

The wavelength of the band is 40m to 25 m

New Question

11 months ago

0 Follower 3 Views

P
Payal Gupta

Contributor-Level 10

8.4 The electromagnetic wave travels in a vacuum along the z- direction. The electric field (E) and the magnetic field (H) are in the x-y plane. They are mutually perpendicular.

Frequency of the wave, ν = 30 MHz = 30 ×106 /s

Speed of light in vacuum, c = 3 ×108 m/s

Wavelength of a wave is given as

λ=cν = 3×10830×106 = 10 m

New Question

11 months ago

0 Follower 2 Views

P
Pallavi Sharma

Contributor-Level 7

CII Institute of Hospitality, Chandigarh offers professional Diploma programmes across three specialisations. The duration of these programmes is 18 months. Students passed Class 12 may apply for the programmes on the college's official website. The list of the Diploma programmes are as follows:

  • Swiss International Culinary Professional Diploma
  • Swiss International Food & Beverage Service Professional Diploma
  • Swiss International Rooms Professional Diploma

New Question

11 months ago

0 Follower 3 Views

R
Rachit Kumar

Contributor-Level 10

To join an ISHM Kolkata BBA course, applicants must meet the minimum eligibility criteria of the course. Those candidates who have  passed Class 12 in any stream from a recognised board are eligible to join the course. Applicants must also appear for the institute's in-house entrance exam (ICAT) to be eligible for admission. The selection is entirely based on applicants' scores achieved in the in-house entrance test.

New Question

11 months ago

0 Follower 3 Views

P
Payal Gupta

Contributor-Level 10

8.3 The speed of light (3 *108 m/s) in a vacuum is the same for all wavelengths. It is independent of the wavelength in the vacuum.

New Question

11 months ago

0 Follower 68 Views

A
alok kumar singh

Contributor-Level 10

1.28 (a) Let us consider a Gaussian surface that is lying wholly within a conductor and enclosing the cavity. The electric field intensity E inside the charged conductor is zero.

Let q be the charge inside the conductor and ?0 the permittivity of free space.

According to Gauss’s law, Flux,φ  = E.ds = q?0

Here, E = 0, hence q?0 = 0, so q = 0 (as ?00)

Therefore, the charge inside the conductor is zero. The entire charge Q appears on the outer surface of the conductor.

 

(b) The outer surface of the conductor A has a charge amount Q. Another conductor B, having charge +q is kept inside conductor A and it is insulated from A. Hence,

...more

New Question

11 months ago

0 Follower 5 Views

M
Meitankeisangbam Vasundhara devi

Contributor-Level 10

The CMRIT Bangalore placement process at CMRIT are as follows:

  • Prior to placement drive- sourcing of job requirements, students registration process and mailing of students details to companies. 

  • Placement drive day- Pre placement talk, written tests and group discussions and personal interviews and students selections.

  • Post selection steps- offers & acceptance, pre-joining & training, joining process. 

New Question

11 months ago

0 Follower 5 Views

P
Payal Gupta

Contributor-Level 10

8.2 Radius of each circular plate, R = 6.0 cm = 0.06 m

Capacitance of parallel capacitor, C = 100 pF = 100 ×10-12 F

Supply voltage, V = 230 V

Angular frequency, ω = 300 rad/s

rms value of the conduction current, I = VXc , where X c = c a p a c i t i v e r e a c t a n c e = 1 ω C

Hence, I = V ×ω×C = 230 ×300× 100 ×10-12 = 6.9 ×10-6 A = 6.9 μ A

Yes, the conduction current is equal to the displacement current.

Magnetic field is given as, B = μ0r2πR2I0 , where

μ0 = Free space permeability = 4 π×10-7 N A-2

I0 = Maximum value of current = 2I

r = distance between two plates on the axis = 3.0 cm = 0.03 m

then, B = 4π×10-7×0.032π×0.062 ×2× 6.9 ×10-6 = 1.626&

...more

New Question

11 months ago

0 Follower 15 Views

S
Shailja Rawat

Contributor-Level 10

Woxsen Research Entrance Test (WRET) is an in-house entrance test conducted by Woxsen University for enrollement to the PhD programme. The university has announced the schedule for the WRET 2026 exam. As per that, the exam is conducted in the month of June. All students who have registered for the same exam must report for the exam on time.

New Question

11 months ago

0 Follower 2 Views

M
Meitankeisangbam Vasundhara devi

Contributor-Level 10

CMR Institute of Technology has provided good placement packages. According to the report released, the highest and average packages offered stood at INR 44.1 LPA and INR 6.99 LPA, respectively. The following table represents the CMRIT placement trends for the past three years:

Particulars

Placement Statistics (2023)

Placement Statistics (2024)

Placement Statistics (2025)

the highest Package

INR 22.70 LPA

INR 29 LPA

INR 44.1 LPA

Average Package

INR 5.98 LPA

INR 6.26 LPA

INR 6.99 LPA

New Question

11 months ago

0 Follower 2 Views

K
Kartik Sharma

Contributor-Level 10

To get admission into BBA courses at ISHM Kolkata, candidates are required to complete their Class 12 from any stream with decent scores. Additionally, to get admitted, candidates are required to appear and secure a valid score on the ICAT- ISHM Common Aptitude Test. Moreover, the information regarding the direct admissions is not explicitly mentioned on the official website of the institute. 

New Question

11 months ago

0 Follower 3 Views

S
Shikha Arora

Contributor-Level 9

Both BMM and B.Ed have a bright future scope in India, though it's up to you what you like to do the most. It's good if you figure out what you are good at, what you enjoy doing the most, and then choose accordingly.

New Question

11 months ago

0 Follower 5 Views

P
Payal Gupta

Contributor-Level 10

8.1 Radius of the each circular plate, r = 12 cm = 0.12

Distance between the plates, d = 5 cm = 0.05 m

Charging current, I = 0.15 A

Permittivity of free space, ? 0 = 8.85 * 10 - 12 C 2 N - 1 m - 2

Capacitance between two plates is given by the relation,

C = ? 0 A d  , where A = Area of each plate = ? r 2 = ? * 0.12 2

C = 8.85 * 10 - 12 * ? * 0.12 2 0.05  = 8.007 * 10 - 12

F

Charge on each plate, q = CV, where V = potential difference across plates

Differentiating both sides w.r.t. t, we get

d q d t = C  d V d t

But d q d t  = I, therefore

d V d t = I C  = 0.15 8.007 * 10 - 12  = 1.87 * 10 10  V/s

T h e r e f o r e , t h e c h a n g e i n p o t e n t i a l d i f f e r e n c e b e t w e e n t h e p l a t e s i s 1.87 * 10 10 V/s

The displacement current across the plates is the same as the conduction current. Hence the displacement current is 0.15 A

Kirchhoff's first rule is

...more

New Question

11 months ago

0 Follower 3 Views

M
Manpreet Dixit

Contributor-Level 7

CII Institute of Hospitality, Chandigarh admissions to Diploma programme is completely entrance-based. Candidates need to first fulfil the minimum eligibilty requirements of the programme and then qualify for the aptitude test. Mentioned below are the details for CII Institute of Hospitality, Chandigarh Diploma admissions:

Course NameEligibility

Selection Criteria

Diploma

 

Pass Class 12, obtaining 50% aggregate with English as a subjectCII Aptitude Test + Industry Panel Viva

New Question

11 months ago

0 Follower 8 Views

M
Meitankeisangbam Vasundhara devi

Contributor-Level 10

CMR Institute of Technology has had excellent placements. According to the report released, the highest and average packages offered stood at INR 44.1 LPA and INR 6.99 LPA, respectively. The following table represents the CMRIT placement trends for the past three years:

Particulars

Placement Statistics (2023)

Placement Statistics (2024)

Placement Statistics (2025)

the highest Package

INR 22.70 LPA

INR 29 LPA

INR 44.1 LPA

Average Package

INR 5.98 LPA

INR 6.26 LPA

INR 6.99 LPA

Total Offers

844

823

389

Total Recruiters

148

130

125

 

New Question

11 months ago

0 Follower 20 Views

A
alok kumar singh

Contributor-Level 10

1.27 Dipole moment of the system, p = q×dl = 10-7 Cm

Rate of increase of electric field per unit length,dEdl =105 NC-1 

Force experienced by the system is given by the relation, F = qE = q×dEdl×dl 

= (q  ×dl)×dEdl =p ×dEdl =-10-7× 105= -10-2 N

The force is  N in the negative z-direction i.e. opposite to the direction of electric field. Hence, the angle between electric field and dipole moment is 180 °
.

Torque ( τ ) is given by the relation, τ = pE sin?180° = 0

Therefore, the torque experienced by the system is zero.

New Question

11 months ago

0 Follower

A
Aashi Garg

Contributor-Level 10

Candidates applying for a BA course can decide whether a university is preferable to DSMNRU by examining a number of key parameters. They can look at factors such as the range of specialisations offered, reviews from students, tuition fees, placement, ROI, faculty, and other considerations to keep in mind. Comparison based on these parameters helps the candidates determine which institute or university to choose in their preferred field of study.

New Question

11 months ago

0 Follower 5 Views

P
Pallavi Karan

Contributor-Level 10

At RB Skill Academy, students are currently offered two Diploma courses. These courses are Diploma in Medical Laboratory Technology and Diploma in Radiology. The duration of these programmes are two years and six months respectively. Candidates interested in joining the institute may visit the official website of the institute to start the process of admission. For the DMLT course, students are required to attend a mandatory six month post-examination training in addition to the two years.

New Question

11 months ago

0 Follower 5 Views

S
Shailja Rawat

Contributor-Level 10

The deadline for Woxsen University PhD admissions as well as other important admission date are revealed on the official website of the institute. Thus, candidates seeking admissions to the PhD course need to go to the website of the institute to remain updated on any news regarding PhD deadline. The application forms are also submitted in online mode through the same website of the institute.

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