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CBSE - X - Physics - Electricity

If the lamps are both the same in the figure given above and if A1 reads 0.50A, what do A2, A3, A4 and A5 read?

Asked by Divyaa 19th June 2016, 8:17 AM
Answered by Expert


It is given that the two lamps are identical. So, they will have equal resistance.
The ammeter A1 reads 0.5 A current. This current will now get distributed equally in the two branches as resistances are equal.
Hence, the ammeters A2 and A4 will read 0.25 A each. Now, A3 and A5 are connected in series with A2 and A4, so they will also read 0.25 A.
Answered by Expert 20th June 2016, 12:12 PM

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