Question

Four cells each of emf 2V and resistance 0.40 are joined in parallel then
1) emf of the parallel combination is
a) 4V
b) 2V
c)8V
d)1V
2) Internal resistance of parallel combination is
a) 0.4 Ω
b)0.1 Ω
c)0.2 Ω
d)0.8 Ω
3) Maximum current by the combination is
a)10A
b)20A
c)5A
d)25A
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Answer 1

Answer:

distance between the devise and paper named as?

20.iii. Draw a schematic ray diagram of the following procedure.

20.iv. Write two precautions

Explanation:

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