What are positive and negative charges ? Which type of charge does electron have ?
The charges were named as positive and negative by the American scientist Benjamin Franklin.
When we add a positive number to a negative number of the same magnitude the sum is zero. This might have been the philosophy in naming the charges as positive and negative.
By this logic, charge of electron is considered as negative.
How much positive and negative charge is there in a cup of water $(250\;gm)$?
What are called electrically charged and electrically neutral bodies ?
A girl brings a positively charged rod near a thin neutral stream of water from a tap. She observes that the water stream bends towards her. Instead, if she were to bring a negatively charged rod near to the stream, it will
Write definition of unit Coulomb.
A body can be negatively charged by