A carbon resistor has colour strips as violet, yellow brown and golden. The resistance is .............. $\Omega$
Medium
Download our app for free and get startedPlay store
Using standard colour codes

Violet $= 7$, yellow $= 4$, brown $= 1$ and gold $= 5\,\ %$ (tolerance)

So $R = 74 \times {10^1} \,\pm 5\% $ $ = 740\, \pm 5\% $

So its value will be nearest to $741\,\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
    The amount of heat produced in a resistor when a current is passed through it can be found using
    View Solution
  • 2
    In the circuit here, the steady state voltage across capacitor $C$ is a fraction of the battery $e.m.f.$ The fraction is decided by
    View Solution
  • 3
    Figure shows three resistor configurations $R_1,R_2$ and $R_3$ connected to $3\,V$ battery. If the power dissipated by the configuration $R_1, R_2$ and $R_3$ is $P_1, P_2$ and $P_3$ , respectively then
    View Solution
  • 4
    $A$ potentiometer wire has length $10\, m$ and resistance $10\,\Omega$ . It is connected to a battery of $EMF$ $11\, volt$ and internal resistance $1\, \Omega$ , then the potential gradient in the wire is ............... $V/m$
    View Solution
  • 5
    Five resistors of given values are connected together as shown in the figure. The current in the arm $BD$ will be
    View Solution
  • 6
    In the circuit shown in the figure, if the potential at point $A$ is taken to be zero, the potential at point $B$ is ................ $V$
    View Solution
  • 7
    In the circuit as shown in figure the
    View Solution
  • 8
    What is the equivalent resistance between $A$ and $B$
    View Solution
  • 9
    A primary cell has an $e.m.f.$ of $1.5\,volts$, when short-circuited it gives a current of $3$ amperes. The internal resistance of the cell is .............. $ohm$
    View Solution
  • 10
    If power dissipated in the circuit is $150\,W,$ then value of $R$ is ............... $\Omega$
    View Solution