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Engineering
3 days, 21 hours ago

Temperature difference of $120^{\circ}$ C is maintained between two ends of a uniform rod AB of length 2L. Another bent rod PQ, of same cross-section as AB and length $\frac{3L}{2},$ is connected across AB (See figure). In steady state, temperature difference between P and Q will be close to :

• Option 1)

$45^{\circ}C\; \;$

• Option 2)

$75^{\circ}C\; \;$

• Option 3)

$60^{\circ}C\; \;$

• Option 4)

$35^{\circ}C\; \;$

S solutionqc
Answered 2 days, 21 hours ago
Thermal current = = = 45 oC Option 1)           Option 2) Option 3) Option 4)
Engineering
3 days, 21 hours ago

A rod of length 50cm is provided at one end. It is raised such that if makes an angle of $30^{\circ}$ from the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal ( in rad s-1) will be (g = 10ms-2)

• Option 1)

$\frac{\sqrt{20}}{3}$

• Option 2)

$\sqrt{\frac{30}{2}}$

• Option 3)

$\sqrt{30}$

• Option 4)

$\frac{\sqrt{30}}{2}$

S solutionqc
Answered 2 days, 21 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
3 days, 21 hours ago

A particle having the same charge as of electron moves in a circular path of radius 0.5cm under the influence of a magnetic field of 0.5T. If an electric field of 100V/m makes it to move in a straight path, then the mass of the particle is (Given charge of electron = 1.6 X 10-19C)

• Option 1)

$9.1 \times 10^{-31}kg$

• Option 2)

$1.6 \times 10^{-19}kg$

• Option 3)

$1.6 \times 10^{-27}kg$

• Option 4)

$2.0 \times 10^{-24}kg$

S solutionqc
Answered 2 days, 21 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
3 days, 21 hours ago

The pitch and the number of divisions, on the circular scale, for a given screw gauge are 0.5mm and 100 respectively. When the scew gauge is fully tightened without any object, the zero of its circular scale lies 3 divisions below the mean line.

The readings of the main scale and the circular scale, for a thin sheet, are 5.5mm and 48 respectively, the trhickness of this sheet is:

• Option 1)

5.740 mm

• Option 2)

5.725 mm

• Option 3)

5.950mm

• Option 4)

5.755 mm

S solutionqc
Answered 2 days, 21 hours ago
Option 1) 5.740 mm Option 2) 5.725 mm   Option 3) 5.950mm Option 4) 5.755 mm
Engineering
5 days, 18 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S solutionqc
Answered 4 days, 18 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S SudhirSol
Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

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• Option 2)

• Option 3)

• Option 4)

S SudhirSol
Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

P Plabita
Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S SudhirSol
Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 19 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

Answered 4 days, 19 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S solutionqc
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S solutionqc
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

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• Option 4)

Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

V vakul.arora
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

S solutionqc
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

P Plabita
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)

V vakul.arora
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

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• Option 4)

S solutionqc
Answered 4 days, 20 hours ago
Option 1) Option 2) Option 3) Option 4)
Engineering
5 days, 20 hours ago

• Option 1)

• Option 2)

• Option 3)

• Option 4)