Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

  111 ± 0 Ω.
  111 ± 5.55 Ω.
 111 ± 2.77 Ω.
 111 ± 7.23 Ω.

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Electric Circuits
Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then-

 60 W and 100 W lamp filament have equal length.
 60 W lamp filament has longer length.
 100 W lamp filament has longer length.
 60 W lamp filament has shorter length.

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