physics Flashcards
In current electricity, a positive charge
refers to,
prescence of proton
Rubbing of comb with hair
transfers electric charge
Heating effect of current is called,
Joule heating
Potential near a charge is the measure of
its——-to bring a positive charge at
that point.
work
In an electrolyte the current is due to the
flow of
electrons
Electroplating is an example for
chemical effect
The direction opposite to the movement
of electron is called_______current.
conventional
Resistance of a wire depends on,
nature of material
Electrons move from________potential to_____potential.
negative, positive
The e.m.f of a cell is analogues to——-
of a pipe line.
pumping
The domestic electricity in India is an ac
with a frequency of ——-Hz.
50
Ammeter is connected in ______(series/parallel) in any electric circuit
series
Annode is positive or negative?
Positive
define electric current
movement of electrons
electric current unit
ampere
