Three 2V cells are connected in series and used as the supply for a circuit.
a) what is the p.d. at the terminals of the supply?
b) how many joules of electrical energy does 1C gain on passing through
(i) one cell, (ii) all three cells?
Answers
Answered by
7
A) 6V
B) (ii) all three cells
B) (ii) all three cells
Answered by
12
a)It depends..
if all unlike terminals(+/-,+/-,+/-) are connected together then ans=2+2+2=6V
b)electrical energy=1/2*Q*V
I) for one cell(V=2V)
so EE=1/2*1*2=1J
ii) for all three cells (V=6V)
EE=1/2*1*6=3V
if all unlike terminals(+/-,+/-,+/-) are connected together then ans=2+2+2=6V
b)electrical energy=1/2*Q*V
I) for one cell(V=2V)
so EE=1/2*1*2=1J
ii) for all three cells (V=6V)
EE=1/2*1*6=3V
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