WBJEE · Physics · Current Electricity
A carbon resistor with colour code is shown in the figure. There is no fourth band in the resistor. The value of the resistance is
- A \(24 \mathrm{M} \Omega \pm 20 \%\)
- B \(14 \mathrm{k} \Omega \pm 5 \%\)
- C \(24 \mathrm{k} \Omega \pm 20 \%\)
- D \(34 \mathrm{k} \Omega \pm 10 \%\)
Answer & Solution
Correct Answer
(C) \(24 \mathrm{k} \Omega \pm 20 \%\)
Step-by-step Solution
Detailed explanation
RYO By colour coding of resistors. \(R=24 \times 10^3 \Omega=24 \mathrm{k} \Omega\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A straight wire of length \(2 \mathrm{m}\) carries a current of \(10 \mathrm{A}\). If this wire is placed in a uniform magnetic field of 0.15 T making an angle of \(45^{\circ}\) with the magnetic field, the applied force on the wire will beWBJEE 2012 Easy
- The inputs to the digital circuit are as shown below. The output \(Y\) is
WBJEE 2015 Easy - The electric field of a plane electromagnetic wave of wave number \(k\) and angular frequency \(\omega\) is given by \(\vec{E}=E_0(\hat{i}+\hat{j}) \sin (k z-\omega t)\). Which of the following gives the direction of the associated magnetic field \(\vec{B}\) ?WBJEE 2023 Easy
- The potential energy of a particle of mass \(0.02 \mathrm{~kg}\) moving along \(x\)-axis is given by \(V=A x(x-4) J\) where \(x\) is in metres and \(\mathrm{A}\) is a constant. Which of the following is/are correct statement(s)?WBJEE 2021 Easy
- The energy released by the fission of one uranium atom is \(200 \mathrm{MeV}\). The number of fissions per second required to produce \(3.2 \mathrm{~W}\) of power is (Take \(1 \mathrm{eV}=1.6 \times 10^{-19} \mathrm{~J}\) )WBJEE 2010 Easy
- A junction diode has a resistance of \(25 \Omega\) when forward biased and \(2500 \Omega\) when reverse biased. The current in the diode, for the arrangement shown will be
WBJEE 2009 Easy
More PYQs from WBJEE
- Let \(f(x)=(x-2)^{17}(x+5)^{24}\). ThenWBJEE 2022 Medium
- A piece of wood from an archaeological sample has 5.0 counts min \(^{-1}\) per gram of \(\mathrm{C} - 14,\) while a fresh sample of wood has a count of \(15.0 \mathrm{min}^{-1} \mathrm{g}^{-1}\). If half-life of \(\mathrm{C}-14\) is \(5770 \mathrm{yr}\) the age of the archaeological sample isWBJEE 2014 Medium
- The line joining \(A(b \cos \alpha, b \sin \alpha)\)
and
\(B(a \cos \beta, a \sin \beta),\) where \(a \neq b,\) is produced to the
point \(M(x, y)\) so that \(A M: M B=b: a\). Then, \(x \cos \frac{\alpha+\beta}{2}+y \sin \frac{\alpha+\beta}{2}\) is equal toWBJEE 2012 Easy - Compound \(X\) is tested and the results are shown in the table.
\(\begin{array}{l|l}\hline \text{ Test } & \text{ Result } \\\hline \text{ Aqueous sodium } & \text{ Gas given off which turns }\\\text{ hydroxide is added, }& \text{ damp red litmus paper }\\\text{ then heated gently. }& \text{ blue. }\\\text{ Dilute hydrochioric }& \text{ Effervescence, gas given }\\\text{ acid is added. }& \text{ off which turns lime water }\\& \text{ milky and acidified }\\& \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \text{ paper green. }\\\hline\end{array}\)
Which ions are present in compound \(X ?\)WBJEE 2016 Medium - The distance between a light source and photoelectric cell is d. If the distance is decreased to \(\frac{d}{2},\) thenWBJEE 2016 Medium
- The area enclosed by \(y=3 x-5, y=0, x=3\) and \(x=5\) isWBJEE 2010 Easy