1) Which subatomic particles are concentrated in the centre of an atom as the nucleus? a) Protons (+) and electrons (-) b) Electrons (-) and Neutrons (0) c) Protons (+) and Neutrons (0) d) There is NO nucleus in an atom 2) Identify the correct pair of symbols in a circuit diagram. (There may be more than 1 correct answers) a) Fuse b) Resistor c) Ammeter d) Bulb e) Battery f) Switch 3) What is the SI unit of current? a) Coulomb (C) b) Joule (J) c) Watt (W) d) Volt (V) e) Ampere (A) f) Pascal (P) 4) Effective resistance of two 2 ohm resistors is 4 ohm. This means they are connected in a) Series b) not connected c) cannot say d) Parallel 5) The graph shows relationship for a) non metal b) metal c) semiconductor d) solid 6) Two wires A and B of same length and diameter are connected across a circuit. Graph shows V-I relation .Then a) Resistivity of A is more b) Resistivity of B is more c) Resistance shall be given d) Resistivity is sam

Electricity Quiz

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