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 Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Mercury Zinc Lead Copper Mercury Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is 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 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 The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 11 Ω 9 Ω 10 Ω 12.1 Ω 11 Ω 9 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
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