1) How many milliampere are there in 0.25 A ? a) 2.5 mA b) 250 mA c) 25 mA d) 2500 mA 2) The direction of conventional current is ____________ to electron flow. a) parallel b) opposite c) similar 3) One unit of coulomb is charge of approximately ____________ protons or electrons. a) 6.242×10 b) 6.242×100 c) 6.242×1000 4) ____________ is used to measure the electric current. a) Ammeter b) Mentimeter c) Amphimeter d) Antimeter 5) In conducting materials electrons are ____________ a) tightly bound b) strongly bound c) loosely bound 6) S.I. unit of Electrical conductivity of a conductor is ____________ a) Shymens/meters b) Siemens/meters c) Sinmens/ miles

ELECTRICITY 1

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