In the figure shown, what is the current (in Ampere) drawn from the battery ? You are given $R_1 = 15\,\Omega $$,R _2 = 10\,\Omega ,$$ R_3 = 20\,\Omega ,$$ R_4 = 5\,\Omega ,$$R_5 = 25\,\Omega ,$$R_6 = 30\,\Omega , $$E = 15\,V$
JEE MAIN 2019, Medium
Download our app for free and get startedPlay store
$R_{e q}=15+\frac{25}{3}+30=\frac{45+25+90}{3}=\frac{160}{3}$

$\mathrm{I}=\frac{\mathrm{E}}{\mathrm{R}_{\mathrm{eq}}}=\frac{15 \times 3}{160}=\frac{9}{32} \,\mathrm{amp}$.

art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    A wire of resistance $12\,ohms$ per meter is bent to form a complete circle of radius $10\, cm.$ The resistance between its two diametrically opposite points, $A$ and $B$ as shown in the figure is
    View Solution
  • 2
    Consider the combination of resistors as shown in figure and pick out the correct statement
    View Solution
  • 3
    In the circuit, wire $1$ is of negligible resistance. Then,
    View Solution
  • 4
    Which device can convert all electrical energy into heat
    View Solution
  • 5
    Power dissipated across the $8\,\Omega $ resistor in the circuit shown here is $2\, watt$. The power dissipated in watt units across the $3\,\Omega $ resistor is
    View Solution
  • 6
    In the given circuit the value of $\left|\frac{I_1+I_3}{I_2}\right|$ is
    View Solution
  • 7
    The equivalent resistance betweent point $A$ and $B$
    View Solution
  • 8
    In the circuit shown below, the key is pressed at time $t=0$. Which of the following statement(s) is(are) true?

    ($A$) The voltmeter displays $-5 \mathrm{~V}$ as soon as the key is pressed, znd displays $+5 \mathrm{~V}$ after a long time

    ($B$) The voltmeter will display $0 \mathrm{~V}$ at time $t=\ln 2$ seconds

    ($C$) The current in the ammeter becomes $1 / e$ of the initial value after $1$ second

    ($D$) The current in the ammeter becomes zero after a long time

    View Solution
  • 9
    Two conductors are made of the same material and have the same length. Conductor $A$ is a solid wire of diameter $1.0\, mm$. Conductor $B$ is a hollow tube of outside diameter $2.0\, mm$ and inside diameter $1.0\, mm$. The resistance ratio $R_A/R_B$ will be
    View Solution
  • 10
    A resistor develops $500\, J$ of thermal energy in $20 \,s$ when a current of $1.5\, A$ is passed through it. If the current is increased from $1.5 \,A$ to $3\, A$ what will be the energy (in $J$) developed in $20\, s$.
    View Solution