Current Electricity Ohm's law is not applicable to Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is High Low Practically zero Very high High Low Practically zero Very high ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the charge of an electron Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the charge of an electron Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Rheostat Galvanometer Voltmeter Wattmeter Rheostat Galvanometer Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will fuse 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
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