Question 179: Current Electricity

Question

The equivalent resistance of the circuit shown below between points a and b is :

Accepted Answer

Rearranging the above circuit we get
The above circuit is a balanced wheatstone bridge there is no current in the branch $c d$.
So we have two $8 \Omega$ and one $16 \Omega$ resistor in parallel. If $R_{\mathrm{eq}}$ is equivalent resistance, then
$$
\begin{aligned}
&\frac{1}{R_{\mathrm{eq}}}=\frac{1}{8}+\frac{1}{8}+\frac{1}{16}=\frac{5}{16} \\
&\Rightarrow R_{\mathrm{eq}}=\frac{16}{5}=3.2 \Omega
\end{aligned}
$$

Answer

16$$\Omega$$

Answer

20$$\Omega$$

Answer

3.2$$\Omega$$

Answer

24$$\Omega$$

Current Electricity

The equivalent resistance of the circuit shown below between points a and b is :

Choose the correct answer: