Question

Calculate the Current in a circuit if a charge
of 600-c passes through
it
in 20 minutes.
​

Answer 1

Answer:

Current, I= 0.5A

Explanation:

Given: Q= 600C

            t= 20mins= 20*60= 1200s

We know that, I= Q/t

                    ∴Current, I= 600/1200

                                       = 1/2= 0.5A

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Answer 2

Given :-

• charge = 600c

• time = 20min = 20 × 60 = 1200s

To find :-

the current in a circuit

Solution :-

$\Large \star$ Current is the rate at which charge flows.

If rate of flow of charge is not constant then the current at any instant is given by the differential limit: I = dQ/dt

• I = Q/t.

The S.I unit of current is called ampere (A) (coulomb/second).

according to Question,

➝ I = Q / t.

where, Q is the quantity of charge flowing by a point in a time period of t.

➝ l = 600/1200

➝ l = 1/2 = 0.5A

Thus, the current in a circuit is 0.5 Ampere