At room temperature, electrons cannot escape the metal
surface due to ………….. of atomic nucleus:
When a positive charge of 2 coulombs is placed at a point in
an electric field, it experiences a force of 6N. The intensity of electric
field at this point is:
How Galvanometer is connected in circuit to detect current:
The ration of external force applied on the spring to
displacement is called:
the distance between two consecutive trough or crest is
called:
