PHYSICS WEEKLY TEST (F.Sc. Part II)Name: ____________________1. SI unit of Current is: a) Ampere/sb) Coulombc) s/Cd) both a and ce) None of these2. Electronic current is equal to conventional current. A) trueb) false3. Current in metals flow due to: a) Electronsb) ionsc) moleculesd) none of these4. Electronic current is in _____direction to conventional current: a) same b) opposite c) random5. Speed of electrons in metals depend upon: a) Resistanceb) Temperaturec) External Batteryd) All of thesee) none of these6. Unit of charge is: a) voltb) Qc) Coulombd) A sec e) c & d7. Electrons in metal are static when no external battery is connected: a) Trueb) False8. Positive Ions flow in _____ direction of E: a) sameb) opposited) randomlyc) none of these9. Drift velocity is _____ velocity: a)maximumb) minimumc)averaged) none of these10. Drift velocity in metals is normally of the order: a) 0.001 ms-1b)0.0001 ms-1c)0.00001 ms-1d)none of these11. Steady current is due to _____ potential: a) averageb) constantc)instantaneous d)none of thesee) Both a and b12. Flow of current can produce: a) Electric Fieldb) Magnetic Fieldc) Bothd) none of these13. CuSO4 is an: a) Electrolyteb) Electrodec) Electrolysisd) both a and ce) none of these14. Negative terminal of battery is called: a) Cathodeb) Anode c) both a and bd) None of these15. Total amount of charge during electrolysis: a) is constantb) decreasec) increased) none of theseShort Questions:1. Electrolyte2. Electrode3. Source of Current4. Solar Cell5. Thermo-couple6. Write uses of Heating and magnetic effect of current7. A charge of 90C passes through a wire in 1 hour and 15 minutes. What is Current?8. R1=100 ohm, R2=10 ohm, R3=1000 ohm, find equivalent resistance R when all resistors are in series combination.9. How many electrons pass through an electric bulb in one minute if 300mA current is passing?10. 107 electrons pass through a conductor in 1x10-6 sec find the current?