The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is:
JEE MAIN 2021, Medium
Download our app for free and get startedPlay store
${R}=75 \times 10^{2} \pm 5 \%$ of $7500$

${R}=(7500 \pm 375)\, \Omega$

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 when connected to $220\,V$ mains supply has power dissipation ${P_1}$. Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is ${P_2}$. Then ${P_2}:{P_1}$ is
    View Solution
  • 2
    A battery of  $24\,cells$ , each of emf  $1.5\,V$  and internal resistance $2\,\Omega$ is to be connected in order to send the maximum current through a $12\,\Omega$ resistor. The correct arrangement of cells will be 
    View Solution
  • 3
    If a power of $100\, W$ is being supplied across a potential difference of $200\, V$, current flowing is ............ $A$
    View Solution
  • 4
    A wire of length $5\,m$ and radius $1\,mm$ has a resistance of $1\, ohm$. What length of the wire of the same material at the same temperature and of radius $2\,mm$ will also have a resistance of $1\, ohm$  .............. $m$
    View Solution
  • 5
    The current in the primary circuit of a potentiometer is $0.2\, A$. The specific resistance and cross section of the potentiometer wire are $4\times10^{-7}\,ohm$ $metre$ and $8\times10^{-7}\, m^2$ respectively. The potential gradient will be equal to .............. $V/m$
    View Solution
  • 6
    In the following circuit, the magnitude of current $I _{ l }$, is $............A$.
    View Solution
  • 7
    Two cells of emf $2\, E$ and $E$ with internal resistance $r _{1}$ and $r _{2}$ respectively are connected in series to an external resistor $R$ (see $figure$). The value of $R ,$ at which the potential difference across the terminals of the first cell becomes zero is
    View Solution
  • 8
    Watt-hour meter measures
    View Solution
  • 9
    A potentiometer wire of length $L$ and a resistance $r$ are connected in series with a battery of e.m.f. $E_0$ and a resistance $r_1$. An unknown e.m.f. $E$ is balanced at a length $l$ of the potentiometer wire. The e.m.f. $E$ will be given by
    View Solution
  • 10
    In a conductor $4$ coulombs of charge flows for $2$ seconds. The value of electric current will be
    View Solution