MCQ
The production of e.m.f. by maintaining a difference of temperature between the two junctions of two different metals is known as
  • A
    Joule effect
  • Seebeck effect
  • C
    Peltier effect
  • D
    Thomson effect

Answer

Correct option: B.
Seebeck effect
(b) Production of e.m.f. by temperature difference is known Seeback effect.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The value of the horizontal component of the earth's magnetic field and angle of dip are $1.8 \times 10^{-5} \mathrm{Weber} / \mathrm{m}^2$ and $30^{\circ}$ respectively at some place. The total intensity of earth's magnetic field at that place will be
An object of mass $3 \mathrm{~m}$ splits into three equal fragments. Two fragments have velocities $\hat{v j}$ and $\hat{v i}$. The velocity of the third fragment is
A stone ties to the end of a string $1 m$ long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what is the magnitude and direction of acceleration of the stone
The velocity of water waves $v$ may depend upon their wavelength $\lambda$, the density of water $\rho$ and the acceleration due to gravity $g$. The method of dimensions gives the relation between these quantities as
A capacitor is a perfect insulator for
The angular velocity of rotation of star (of mass $M$ and radius $R$ ) at which the matter start to escape from its equator will be
The waves in which the particles of the medium vibrate in a direction perpendicular to the direction of wave motion is known as
The ratio of the distances of two planets from the sun is 1.38 . The ratio of their period of revolution around the sun is
The figure below shows the north and south poles of a permanent magnet in which $n$ turn coil of area of cross-section $A$ is resting, such that for a current $ i$ passed through the coil, the plane of the coil makes an angle $\theta $ with respect to the direction of magnetic field $B.$  If the plane of the magnetic field and the coil are horizontal and vertical respectively, the torque on the coil will be
An engineer claims to have made an engine delivering $10 \mathrm{~kW}$ power with fuel consumption of $1 \mathrm{~g} / \mathrm{sec}$. The calorific value of the fuel is 2 $\mathrm{kcal} / \mathrm{g}$. Is the claim of the engineer