What is called earthing ? Give importance of earthing in wiring.
What is called earthing ? Give importance of earthing in wiring.
Similar Questions
A body has $-\, 80$ $micro\, coulomb$ of charge. Number of additional electrons in it will be
A body has $-\, 80$ $micro\, coulomb$ of charge. Number of additional electrons in it will be
By which instrument, the charge on object can be detected ?
By which instrument, the charge on object can be detected ?
Can we neglect the quantization of charge ? If yes, then mention the situation ?
Can we neglect the quantization of charge ? If yes, then mention the situation ?
How conductors and non-conductors are different ? Why are they not charged by rubbing them with our hands ?
How conductors and non-conductors are different ? Why are they not charged by rubbing them with our hands ?
A polythene piece rubbed with wool is found to have a negative charge of $3 \times 10^{-7} \;C$
$(a)$ Estimate the number of electrons transferred (from which to which?)
$(b)$ Is there a transfer of mass from wool to polythene?
A polythene piece rubbed with wool is found to have a negative charge of $3 \times 10^{-7} \;C$
$(a)$ Estimate the number of electrons transferred (from which to which?)
$(b)$ Is there a transfer of mass from wool to polythene?