Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 iL(0) = ic (0).
 None of these.
 i(0+)= iL(0+).

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Electric Circuits
Atoms have no electric charge because they

 have an equal number of neutrons and protons.
 have an equal number of charged and non charged particles.
 have neutrons in their nuclei.
 have an equal number of electrons and protons.

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

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