(C) The Thomson effect describes the phenomenon where an electromotive force is generated in a single homogeneous conductor when a temperature gradien

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Thomson electromotive force $(e.m.f.)$

(C) The Thomson effect describes the phenomenon where an electromotive force is generated in a single homogeneous conductor when a temperature gradient exists between its two ends.This potential difference arises due to the redistribution of charge carriers caused by the temperature difference.Therefore,the electromotive force generated between the two ends of a single conductor at different temperatures is known as the Thomson electromotive force.

Class 12 Physics Current Electricity Circuit Solving for current and Voltage

Medium

When two ends of a conductor are at different temperatures,the electromotive force generated between the two ends is known as:

A
Seebeck electromotive force $(e.m.f.)$
B
Peltier electromotive force $(e.m.f.)$
C
Thomson electromotive force $(e.m.f.)$
D
None of these

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Circuit Solving for current and Voltage

$A$ resistor is connected to a battery of $12 \text{ V}$ emf and internal resistance $2 \text{ }\Omega$. If the current in the circuit is $0.6 \text{ A}$, the terminal voltage of the battery is: (in $\text{ V}$)

MediumNEET 2026

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As shown,the circuit is made of $8$ different resistors. It is found that when $R_1 = 4\,\,\Omega,$ the resistance between $A$ and $B$ is $2\,\,\Omega.$ Now replace $R_1$ by a $6\,\,\Omega$ resistor,what is the resistance between $A$ and $B$?

Medium

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Three equal resistors connected in series across a source of $e.m.f.$ together dissipate $10 \ W$. If the same resistors are connected in parallel across the same $e.m.f.$,then the power dissipated will be .............. $W$.

MediumAIPMT 1998

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$A$ battery of internal resistance $4 \,\Omega$ is connected to the network of resistances as shown. In order to give the maximum power to the network,the value of $R$ (in $\Omega$) should be

DifficultIIT 1995

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In the circuit shown,the power developed in the $6\,\Omega$ resistor is $6\,W$. The power developed in the $4\,\Omega$ resistor is .............. $W$.

Medium

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When two ends of a conductor are at different temperatures,the electromotive force generated between the two ends is known as:

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$A$ resistor is connected to a battery of $12 \text{ V}$ emf and internal resistance $2 \text{ }\Omega$. If the current in the circuit is $0.6 \text{ A}$, the terminal voltage of the battery is: (in $\text{ V}$)

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