A potentiometer wire has a length 10 m and a resistance 2 Q2. Its 2 . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 50. What are the distance at which null point are obtained when two cells of e.m.f. 1.5 V and 1.3 V are connected so as to (a) assist and (b) oppose each other?
A potentiometer wire has a length 10 m and a resistance 2 Q2. Its 2 . Its terminals are connected to a battery of e.m.f. 4 V and internal resistance 50. What are the distance at which null point are obtained when two cells of e.m.f. 1.5 V and 1.3 V are connected so as to (a) assist and (b) oppose each other?
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Transcribed Image Text:potentiometer
wire has a length 10 m
: A
and a resistance 2 Q. Its terminals are
connected to a battery of e.m.f. 4 V and
internal resistance 5Q. What are the distance at
which null point are obtained when two cells
of e.m.f. 1.5 V and 1.3 V are connected so as to
(a) assist and (b) oppose each other?
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