KCET Engineering | 2016

- Sphere with charge at the center of the sphere
- Sphere with charge on the surface of the sphere
- Plane with charge on the surface
- Ellipsoid with charge at foci

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- r=1cm, l=1m
- r=1cm, l=12m
- r=2cm, l=2m
- r=2cm, l=12m

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- 32ϵ0Ad
- 2ϵ0Ad
- 23ϵ0Ad
- 3ϵ0Ad

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The angular frequency of oscillation is:

- 2rads−1
- 0.5rads−1
- 0.5πrads−1
- 2πrads−1

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- 100ms−1
- 10ms−1
- 50ms−1
- 5ms−1

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- The proton path will be circular about the axis.
- The proton will be accelerated along the axis.
- The proton move along helical path.
- The proton will continue to move with velocity 'v' along the axis.

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The temperature co-efficient (α) of the conductor is

- Rom
- mRo
- mRo
- m2Ro

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- 5.0ms−2
- 3.0ms−2
- 15ms−2
- 1.5ms−2

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- 40C
- 32C
- 80C
- 0C

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- Both ω and v increases
- v increases, ω remains constant
- v increases, ω decreases
- ω only increases, v remains constant

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- Shear
- Longitudinal
- Volumetric
- Longitudinal and shear

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- 25J
- 50J
- 20J
- 40J

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- 2 minutes
- 1.8 minutes
- 2.8 minutes
- 2.5 minutes

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- 1:4
- 4:1
- 2:1
- 1:2

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- 4V
- 5.6V
- 2.8V
- 6V

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- 2400J
- 1200J
- 3200J
- 3600J

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Then, time of fall is:

- t=2eEhm
- t=2hmeE
- t=√2hmeE
- t=√2eEhm

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- vR=vC=vS
- vR>vC>vS
- vR=vC>vS
- vR<vC<vS

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- 4V
- 3V
- 4.8V
- 6V

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- →Eax=→Eeq
- →Eax=−2→Eeq
- →Eax=−→Eeq
- →Eeq=2→Eax

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- directly proportional to electron density
- inversely proportional to relaxation time
- directly proportional to relaxation time
- inversely proportional to electron density

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- 1:3
- 1:4
- 2:1
- 4:1

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- 60ms−1
- 90ms−1
- 180ms−1
- 100ms−1

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- 666Hz
- 177.5Hz
- 400Hz
- 375Hz

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(→E→ Electric field, →ds→ Area vector)

- ∮→E⋅→ds could not be defined
- ∮→E⋅→ds≠0 on any surface
- ∮→E⋅→ds=∞ if charge is inside
- ∮→E⋅→ds=0 if charge is outside, =qϵ0 if charge is inside

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- 10Ω
- 203Ω
- 5Ω
- 20Ω

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- →r along +ve x-axis
- →r along +ve y-axis
- →r along -ve y-axis
- →r makes an angle of 45o with the x-axis

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- RA=RB=RC
- RA=RC>RB
- RA<RB<RC
- RA=RC<RB

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- A
- D
- B
- C

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