ThePrismSolutions

ThePrismSolutions

DAILY PRACTICE PAPER(13Th June 2018)

Q.) A current of 5Amp.exits on a 10ohm resistance for 4 min.How much charge pass through any cross-section of the resistor in this time?

(a) 12 coulombs       (b) 120 coulombs

(c) 1200 coulombs    (d) 12000 coulombs

Q.) Current in a conductor is due to

(a) motion of free electrons in it.
(b) motion of (+) ions.
(c) free electrons and holes
(d) protons

Q.) The electric current in a liquid is due to the flow of

(a) electrons only
(b) positive ions only
(c) negative and positive ions both
(d) electrons and positive ions both

Q.) The electric current in a discharge tube containing a gas is due to

(a) electrons only
(b) positive ions only
(c) negative and positive ions both
(d) electrons and positive ions both

Q.) Q.) A steady current is passing through a linear conductor of non-uniform cross-section .The net quantity of charge crossing any cross-section per second is:

(a) Independent of area of cross-section.
(b) Directly proportional to the length of conductor.
(c) Directly proportional to the area of cross-section.
(d) inversly proportional to the length of conductor.



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