When current is passed in antimony-bismuth couple, then - Vidyadip

MCQ

When current is passed in antimony-bismuth couple, then

A
The junction becomes hot when the current is from bismuth to antimony
✓
The junction becomes hot when current flows from antimony to bismuth
C
Both junctions become hot
D
Both junctions become cold

✓

Answer

Correct option: B.

The junction becomes hot when current flows from antimony to bismuth

(b) Based on Peltier 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

Explore more

More "MCQ" from Heating and Chemical Effect of Current→Heating and Chemical Effect of Current — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The frequency of a stretched uniform wire under tension is in resonance with the fundamental frequency of a closed tube. If the tension in the wire is increased by $8 \mathrm{~N}$, it is in resonance with the first overtone of the closed tube. The initial tension in the wire is

If two balls each of mass $0.06 \mathrm{~kg}$ moving in opposite directions with speed $4 \mathrm{~m} / \mathrm{s}$ collide and rebound with the same speed, then the impulse imparted to each ball due to other is

The wavelength of radiation emitted is $\lambda_0$ when an electron jumps from the third to the second orbit of hydrogen atom. For the electron jump from the fourth to the second orbit of the hydrogen atom, the wavelength of radiation emitted will be

In hydrogen atom, when electron jumps from second to first orbit, then energy emitted is

In any Bohr orbit of the hydrogen atom, the ratio of kinetic energy to potential energy of the electron is

Large aperture of telescope are used for

Which of the following expressions represent simple harmonic motion

$x=A \sin (\omega t+\delta)$
$x=B \cos (\omega t+\phi)$
$x=A \tan (\omega t+\phi)$
$x=A \sin \omega t \cos \omega t$

An athlete completes one round of a circular track of radius $R$ in 40 $sec$. What will be his displacement at the end of $2 min .20 sec$

A source producing sound of frequency $170 \mathrm{~Hz}$ is approaching a stationary observer with a velocity $17 \mathrm{~ms}$. The apparent change in the wavelength of sound heard by the observer is (speed of sound in air $=340 \mathrm{~ms}$ )

Two identical satellites are at $R$ and $7 R$ away from earth surface, the wrong statement is ( $R=$ Radius of earth)