Q2. In how much time 6000 coulomb of electric charge will flow, if an electric current of 10 A is drawn
through an electric motor?
Answers
Charge = 6000 C
Current = 10 A
Current = Charge/Time
Hence, 10 = 6000/t
t=6000/10
t=600 sec
t=10 min.
In 600 seconds, a charge of 6000 C will flow when 10 A of current is drawn.
1. Expression of Electric Current
Electric current is denoted by letter I.
Electric current is expressed by the rate of flow of electric charges.
Rate of flow means the amount of charge flowing through a particular area in unit time.
If a net electric charge (Q) flows through a cross section of conductor in time t, then:
Electric current[I] =
or I =
Where ,I is electric current,
Q is net charge
t is time in second.
2. SI unit of electric charge is coulomb (C)
3. Given values are
electric charge (Q) = 6000 C
Electric current (I) = 10 A
to find
Time (t) = ?
Acc to the formulae of current
We know; I = Q/t
Or, t = Q/I
Or, t =
t = 600 s
Or, t = 10 min
by using the expression of electric current we can find out the flow of charge in a time {t}
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