Question

AA battery of 9v is connected in series with resistors of 0.2 ohm, 0.3ohm, 0.4ohm,0.5ohm and 12ohm in parallel connection respectively. how much current would flow through 12ohm resistor

Answer 1

current through 12 ohm resistor is 0.67

Answer 2

Given :

↗ Five identical resistors of resistances 0.2Ω, 0.3Ω, 0.4Ω, 0.5Ω and 12Ω are connected in parallel.

↗ Voltage of battery = 9V

To Find :

↗ Current through the 12Ω resistor.

Concept :

❇ As per ohm's law, Current flow through a resistor is directly propoetional to the applied potential difference. (at constant temperature)

❇ Pd remains same across all resistors in parallel connection.

Calculation :

$\begin{lgathered}\dashrightarrow\sf\:V=IR\\ \\ \dashrightarrow\sf\:9=I\times 12\\ \\ \dashrightarrow\sf\:I=\dfrac{9}{12}\\ \\ \dashrightarrow\underline{\boxed{\bf{\green{I=0.75A}}}}\:\orange{\bigstar}\end{lgathered}$