Current Electricity Which of the following materials has the least resistivity ? Zinc Mercury Lead Copper Zinc Mercury Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator A conductor A semiconductor None of the listed here An insulator A conductor A semiconductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Electrons Atoms Electrons and ions Nucleus Electrons Atoms Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 6.4 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 4.6 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS