Question

Example 1. A current of 150 mA flows through a
circuit for 2 min. Find the amount of charge that flows
through the circuit.
​

Answer 1

$\huge{\star}{\underline{\boxed{\red{\sf{Answer :}}}}}{\star}$

Given :-

Current (I) = 150 mA => 0.15 A

Time (t) = 2 mins => 120 sec

=======================

To Find :-

Amount of charge that flows

=========================

Solution :-

We have formula :-

$\huge{\boxed{\boxed{\sf{I \: = \: \frac{Q}{T}}}}}$

________[Put Values]

Q = I * T

Q = (0.15)(120)

Q = 18

Electric Charge (Q) = 18 C

∴ Electric charge flows in that circuit is 28 C

Answer 2

Explanation:

current , I = 150 mA = 150 × 10^-3A

time, t = 2min = 2×60 =120s

amount of charge, q = ?

we know that,

q = I ×t

q = 150 × 10 ^-3 ×120

q = 18c

so , 18 c of charge flows around the circuit