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
Current Electricity Which of the following is the best material for making connecting wires? Constant Copper Nichrome Manganin Constant Copper Nichrome Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is 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 Equal to the charge of the number of electrons in an atom (#) zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Increases Remains same Heater will burn out Decreases Increases Remains same Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits Circuits with low current densities Vaccum tubes Carbon resistors High voltage circuits ANSWER DOWNLOAD EXAMIANS APP
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