Question

The charge flow. through conductor in 10 hrs when current of 20 mA flow through it is

Answer 1

Answer:

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Explanation:

Q = I × t

I= 20mA. ( 1mA= 10^-3)

= 20

1000

= 0.02

t = 10hrs = 10× 3,600

= 36,000

Q= I×t

= 0.02×36,000

= 720 C

Answer 2

Given,

t = 10 hours

i = 20mA

To Find,

the charge flow Q

Solution,

Q = i x t

where Q  is the charge flow through the conductor

            i is the current flowing in the conductor

            t is the time in which the charge flow in the conductor

i = 20mA ( 1mA = $10^{-3}$ )

i = $\frac{20}{1000}$

i = 0.02 A

t = 10 hours = 10 x 3600

 = 36000

Q = i x t

   = 0.02 x 36000

   = 720 C

Hence the charge flows through the conductor in 10 hours is 720 C.