MCQ
A thermo couple develops 200μV between 0℃ and 100℃. If it develops 64μV and 76μV respectively between (0℃ - 32℃) and (32℃ - 70℃) then what will be the thermo emf it develops between 70℃ and 100℃
- A65 μV
- ✓60 μV
- C55 μV
- D50 μV
✓
Answer
Correct option: B.
60 μV
60 μV
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following is conserved when light waves interfere
A particle of mass M at rest decays into two particles of masses $\mathrm{m}_1$ and $\mathrm{m}_2$, having non-zero velocities. The ratio of the de-Broglie wavelengths of the particles, $\lambda_1 / \lambda_2$ is
→Assertion : An electric field is preferred in comparison to magnetic field for detecting the electron beam in a television picture tube.
Reason : Electric field require low voltage.
Reason : Electric field require low voltage.
In a transistor, a change of $8.0\, mA$ in the emitter current produces a change of $7.8\, mA $ in the collector current. What change in the base current is necessary to produce the same change in the collector current......$\mu A$
→One face of a prism with a refracting angle of $30^o$ is coated with silver. $A$ ray incident on other face at an angle of $45^o$ is refracted and reflected from the silvered coated face and retraces its path. The refractive index of the prism is :
→If each resistance in the figure is of 9 W then reading of ammeter is
The length of a telescope is $36\, cm$. The focal lengths of its lenses can be
→In the network of resistors shown in the adjoining figure, the equivalent resistance between $A$ and $B$ is ............ $ohm$
→Two coherent monochromatic light beams of intensities $I$ and $4I$ are superimposed. The difference between maximum and minimum possible intensities in the resulting beam is $\mathrm{x}$ I. The value of $x$ is . . . .
→A big circular coil of $1000$ turns and average radius $10\,m$ is rotating about its horizontal diameter at $2\,rad.s ^{-1}$. If the vertical component of earth's magnetic field at that place is $2 \times 10^{-5}\,T$ and electrical resistance of the coil is $12.56 \,\Omega$, then the maximum induced current (in $A$) in the coil will be :
→