# Kirchhoff’s Laws – Exercise – 1

Kirchhoff’s Laws » Exercise – 1

1. Kirchhoff’s current law is applicable to only :

(a) closed loops in a network
(b) electronic circuits
(c) junctions in a network
(d) electric circuits

Explanation
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2. According to KVL, the algebraic sum of all IR drops and e.m.f.s in any closed loop of a network is always :

(a) zero
(b) positive
(c) negative
(d) determined by battery e.m.fs

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3. The algebraic sign of an IR drop is primarily dependent upon the :

(a) amount of current flowing through it
(b) value of R
(c) direction of current flow
(d) battery connection

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4. Kirchhoff’s voltage law is concerned with :

(a) IR drops
(b) battery e.m.fs.
(c) junction voltages
(d) both (a) and (b)

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5. Kirchhoff’s laws are valid for :

(a) passive time invariant circuits
(b) linear circuit only
(c) non-linear circuits only
(d) both linear and non-linear circuits

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