If a charge of $1800 C$ flows through the cross-section of a conducting wire in $10 minutes$ , what is the value of the current that flows through the wire?
[2 Marks]

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Solution

Given:
The charge flowing through the wire, $Q = 1800 C$
Time for which the charge flows throught the wire,
$t = 10 minutes$
$t = 10 \times 60 = 600 s$

From the definition of current,
$I = \frac{Q}{t}$ [1 mark]
$I = \frac{1800}{600} = 3 A$ [1 mark]

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A charge of $420 C$ flows through a conducting wire in 5 minutes. Find current flowing through the conductor.

1 A

1.6 s e c

= 1.6 \times 10^{- 19} C

I = 3 t^{2} + 2 t + 5

t = 0

t = 2 s e c

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