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A 6-volt battery of negligible internal ...

A 6-volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance `1(Omega)`is joined to the point A as shown in figure.Take the potential at B to be zero. (a) What are the potentials at the poits A and C ? (b) At which point D of the wire AB, the potential is equal to the potential at C?(c ) If the point C and D are connected by a wire, what will be the current through it ? (d) If the 4V battery is replaced by 7.5V battery,wht would be the answer of parts (a) and (b) ?

A

AD = 60 cm

B

AD = 50 cm

C

AD = 40 cm

D

AD = `(200)/(3)` cm

Text Solution

Verified by Experts

The correct Answer is:
D
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