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Heating and Chemical Effect of Current — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsHeating and Chemical Effect of Current1 Mark
Question

Assertion  :   Leclanche cell is used, when constant supply of electric current is not required.  

Reason     : The e.m.f. of a Leclanche cell falls, if it is used continuously.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.
✓

Answer

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

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