L1 Flashcards
What is Electric Charge?
it is a property of matter by which it attracts or repels other matter placed in an electromagnetic field.
What is Electric charge denoted by?
‘Q’
What is the S.I unit of Electric Charge?
Coulomb
1 mC is equal to?
10^-3 C
1microcoulomb is equal to?
10^-6 C
what is the electronic charge of one electron?
1.6*10^-19 C
what is the formula of net charge?
Q=ne (n is no of electrons, e is electronic charge)
What is Electric Current?
Rate of flow of charge is electric current
What is the formula of Electric Current
I = Q/T
what does ‘I’ denote?
current
what does Q denote?
amount of charge/ charge
what does t denote?
time
what is the s.i unit of current
Ampere
s.i unit of charge
coulomb
What is conventional current?
Conventional Current assumes that current flows out of the positive terminal, through the circuit and into the negative terminal of the source. This was the convention chosen during the discovery of electricity. (opposite to the flow of e- ions)
what is electric potential?
electric potential is the amount of work needed to move a unit positive charge from a reference point to a specific point inside the field without producing any acceleration.
how is electric potential dentoted?
V
what is voltage?
Voltage can be defined as the electric potential between two points
delta V =
V= W/Q
what is S.I unit of electric potential?
Volts
S.I unit of work done
Joule
s.i unit of charge
coulomb
define 1v of potential difference.
The potential difference between two point is said to be 1 volt if 1 Joule of work is done in moving a positive change of 1 Coulomb from one point to the other against the electrostatic force.
