A
Define Current?
Rate of flow of charges.
Define voltage?
Work done on a charge
Unit of current?
Ampere
Unit of voltage?
Volt
In a conductor ,is the motion of charges random or directed to some point?
random
Compare the direction of current and that of electrones?
opposite
Explain R in Ohm's law .
define resistance
Which parameter is kept constant during Ohm's law?
temperature
State Ohm's law ?
V proortional to I at constant temperature
What is the nature of the graph between V and I ?
Straight line