Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Mercury Copper Zinc Lead Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m m/Ω Ω-m None of the listed here Ω/m m/Ω Ω-m None of the listed here 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? 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 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current None of the listed here The magnitude of voltage on the conductor The magnitude of current flowing through it Both magnitude of voltage and current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Tungsten Steel Aluminium Nickel Tungsten Steel Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
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