JEE Mains · Physics · STD 12 - 3. current electricity
The equivalent resistance between \(A\) and \(B\) is _______.
- A \(18 \Omega\)
- B \(25 \Omega\)
- C \(27 \Omega\)
- D \(19 \Omega\)
Answer & Solution
Correct Answer
(D) \(19 \Omega\)
Step-by-step Solution
Detailed explanation
\(\Rightarrow \mathrm{R}_{\mathrm{eq}}=6 \Omega+5 \Omega+8 \Omega=19 \Omega\)
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
- If two vectors \(\vec{P}=\hat{i}+2 m \hat{j}+m \hat{k}\) and \(\vec{Q}=4 \hat{i}-2 \hat{j}+ mk\) are perpendicular to each other. Then, the value of \(m\) will be :JEE Mains 2023 Medium
- The percentage error in the calculated volume of a sphere, if there is \(2\%\) error in its diameter measurement, is __________.JEE Mains 2026 Medium
- A train is moving on a straight track with speed \(20\ ms^{-1}\). It is blowing its whistle at the frequency of \(1000\ Hz\). The percentage change in the frequency heard by a person standing near the track as the train passes him is ( speed of sound \(=320\) \(ms^{-1}\) ) close to .... \(\%\)JEE Mains 2015 Hard
- The correct relation between \(\gamma=\frac{ C _p}{ c _v}\) and temperature \(T\) is :JEE Mains 2023 Medium
- In photo electric effect \(A.\) The photocurrent is proportional to the intensity of the incident radiation. \(B.\) Maximum Kinetic energy with which photoelectrons are emitted depends on the intensity of incident light. \(C.\) Max. \(K.E\) with which photoelectrons are emitted depends on the frequency of incident light. \(D.\) The emission of photoelectrons require a minimum threshold intensity of incident radiation. \(E.\) Max. K.E of the photoelectrons is independent of the frequency of the incident light. Choose the correct answer from the options given below:JEE Mains 2023 Medium
- 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
JEE Mains 2021 Hard
More PYQs from JEE Mains
- Let the point, on the line passing through the points \(P(1,-2,3)\) and \(Q(5,-4,7)\), farther from the origin and at a distance of \(9\) units from the point \(\mathrm{P}\), be \((\alpha, \beta, \gamma)\). Then \(\alpha^2+\beta^2+\gamma^2\) is equal to :JEE Mains 2024 Medium
- If the area of the triangle formed by the positive \(x-\)axis, the normal and the tangent to the circle \((x-2)^{2}+(y-3)^{2}=25\) at the point \((5,7)\) is \(A\) then \(24 A\) is equal to ...... .JEE Mains 2021 Hard
- \(\int \limits_{\frac{3 \sqrt{2}}{4}}^{\frac{3 \sqrt{3}}{4}} \frac{48}{\sqrt{9-4 x^2}} d x\) is equal toJEE Mains 2023 Hard
- Let \(\mathrm{a}_{1}, \mathrm{a}_{2}, \mathrm{a}_{3}, \ldots\) be an \(A.P.\) If \(\frac{a_{1}+a_{2}+\ldots+a_{10}}{a_{1}+a_{2}+\ldots+a_{p}}=\frac{100}{p^{2}}, p \neq 10\), then \(\frac{a_{11}}{a_{10}}\) is equal to :JEE Mains 2021 Hard
- The distance of the point \((2,3)\) from the line \(2 \mathrm{x}-\) \(3 \mathrm{y}+28=0\), measured parallel to the line \(\sqrt{3} \mathrm{x}-\mathrm{y}+1=0\), is equal toJEE Mains 2024 Medium
- Let \(f :R \to R\) be defined by \(f(x)\,\, = \,\,\frac{x}{{1 + {x^2}}},\,x\, \in \,R.\) Then the range of \(f\) isJEE Mains 2019 Hard