(D) The positive terminal of a battery is the point of the highest potential,not the lowest. Therefore,the Assertion is incorrect.In an external circu

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(D) The positive terminal of a battery is the point of the highest potential,not the lowest. Therefore,the Assertion is incorrect.In an external circuit,current flows from the positive terminal (higher potential) to the negative terminal (lower potential). The Reason states that current flows towards the point of higher potential,which is also incorrect. Thus,both the Assertion and the Reason are incorrect.

Class 12 Physics Current Electricity Mix Examples-Current Electricity

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Assertion: In a simple battery circuit,the point of the lowest potential is the positive terminal of the battery.
Reason: The current flows towards the point of the higher potential,as it does in such a circuit from the negative to the positive terminal.

AIIMS 2002 All AIIMS

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

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Assertion: In a simple battery circuit,the point of the lowest potential is the positive terminal of the battery.Reason: The current flows towards the point of the higher potential,as it does in such a circuit from the negative to the positive terminal.

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The thermo emf of a thermocouple is given by $E = aT + bT^2$,where $\frac{a}{b} = -200^{\circ}C$. If the cold junction is kept at $30^{\circ}C$,then the inversion temperature is ($\varepsilon$ in volt,$T$ in centigrade). (in $K$)

In the circuit of the adjoining figure,the current through the $12 \ \Omega$ resistor will be ................ $A$.

If a battery of voltage $V$ is connected across terminals $I$ of the black box shown in the figure,an ideal voltmeter connected to terminals $II$ gives a reading of $V/2$. While if the battery is connected to terminals $II$,a voltmeter across terminals $I$ reads $V$. The black box may contain:

$A$ cable consists of a copper wire of radius $9 \, mm$ having a resistance of $5 \, \Omega$. If this cable is replaced by $6$ copper wires each of radius $3 \, mm$,what will be the new resistance of the cable in $\Omega$?

Four equal resistances dissipate $5 \, W$ of power together when connected in series to a battery of negligible internal resistance. The total power dissipated in these resistances when connected in parallel across the same battery would be ........... $W$.

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Assertion: In a simple battery circuit,the point of the lowest potential is the positive terminal of the battery.
Reason: The current flows towards the point of the higher potential,as it does in such a circuit from the negative to the positive terminal.