Questions
In Fig, AB is a wire of length 100 cm whose resistance is 5 . If galvanometer reads zero, the current flowing in the wire AB is :
a
0.1 A
b
0.5 A
c
1 A
d
1.4 A
detailed solution
Correct option is A
As reading of galvanometer = 0So current through wire AB = 1.510+5=0.1 ATalk 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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