Questions
A battery of 6 volts is connected to the terminals of a three metre long wire of uniform thickness and resistance of the order of The difference of potential between two points separated by 50 cm on the wire will be
detailed solution
Correct option is A
Here same current is passing throughout the length of the wire, hence V ∝ R ∝ l⇒ V1V2 = l1l2 ⇒ 6V2= 30050 ⇒ V2=1 VTalk to our academic expert!
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A cell of resistance and emf 10 volt is connected to a uniform wire of length 500 cm and resistance 3 ohm. The potential gradient in the wire is
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