Question

- Calculate the current (nA) when 5 micro coulomb charge flows through the conductor in 50s (here nA = nano ampere) :-​

Answer 1

Answer: 10^2 NA=100NA

Explanation:

Given- charge(q)=5 micro columb

Time(t)= 50 sec

To find- current in nano ampere

Solution - as we know that

1 micro ampere= 1×10^(-6) A

Then 5 micro ampere= 5×10(-6) A

Now we use formula of current which is

I(current)= q÷t

Or I = 5× 10^(-6) ÷50

Or I= 10^(-6) ÷10

Or I = 10^(-7) A

Now , 1 A= 10 ^9 NA

Then 10^(-7) A=10^(-7)×10^9=10^2 NA

Answer 2

Given :   5 micro coulomb charge flows through the conductor in 50s

To Find : Current in (nA)  (nano Ampere)

Solution:

I = dq/dt

I = current

q = charge

t = time

I  = Δq/Δt

Δq = 5 micro coulomb  = 5 * 10⁻⁶  C

Δt = 50s

I  = 5 * 10⁻⁶ /50   A

=> I  = 10⁻⁷   A

=> I = 100 * 10⁻² * 10⁻⁷   A     (∵ 100 * 10⁻² = 1)

=> I = 100 * 10⁻⁹  A

=> I = 100 nA

Current is 100 nA

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