Question

3. Calculate the current supplied by a cell if the amount of charge passing through the cell in 4 seconds is 12 C ?

Answer 1

Solution :

⏭ Given:

✏ Amount of charge = 12C

✏ Time interval = 4s

⏭ To Find:

✏ Current supplied by a cell

⏭ Concept:

✏ Current is defind as flow of charge in other words current is the ratio of amount of charge passed per unit time.

⏭ Formula:

✏ Formula of current in terms of charge and time is given by

$\star \: \underline{ \boxed{ \bold{ \sf{ \pink{Current(I) = \frac{Charge(q)}{Time(t)}}}}}} \: \star$

⏭ Calculation:

$\mapsto \sf \: Current(I) = \frac{12}{4} \\ \\ \mapsto \sf \: \boxed{ \sf{ \large{ \blue{Current(I) = 3 \: A}}}} \: \orange{ \clubsuit}$

⏭ Additional information:

• Current is scalar quantity.
• Current is fundamental quantity.
• SI unit of current is A (ampere).

Answer 2

$\mathtt{ \huge{ \fbox{Solution :)}}}$

Given ,

Time (t) = 4 sec

Charge (q) = 12 C

We know that , the rate of unit charge is called current

$\large \mathtt{ \fbox{Current = \frac{q}{t} }}$

Thus ,

Current = 12/4

Current = 3 amp

Hence , the current is 3 amp

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