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 Which of the following materials has the least resistivity ? Mercury Copper Lead Zinc Mercury Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Luminous effect Magnetic effect Thermal effect Chemical effect Luminous effect Magnetic effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 500 ohms About 50 ohms Zero Infinity About 500 ohms About 50 ohms Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
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