Five identical electric filament lamps numbered 1 to 5 are joined in parallel across an ideal source as…

Five identical electric filament lamps numbered 1 to 5 are joined in parallel across an ideal source as shown in the figure. When all the bulbs are working, reading in the ammeter is $3 \mathrm{~A}$. When lamp ' $\mathrm{l}$ ' is switched off, reading of the ammeter is
  1. $2 \mathrm{~A}$
  2. $3 \mathrm{~A}$
  3. $1 \mathrm{~A}$
  4. $0$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (24 Apr Shift 2)

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