NEET · Physics · STD 12 - 3. current electricity
A cell of \(emf\;4\,V\) and internal resistance \(0.5\,\Omega\) is connected to a \(7.5\,\Omega\) external resistance. The terminal potential difference of the cell is \(.....\,V\).
- A \(3.75\)
- B \(4.25\)
- C \(4\)
- D \(0.375\)
Answer & Solution
Correct Answer
(A) \(3.75\)
Step-by-step Solution
Detailed explanation
TPD \(=4-0.5 \times 0.5\) \(\qquad =4-0.25\)
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
- The velocity of a small ball of mass \(\mathrm{M}\) and density \(d,\) when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is \(\frac{\mathrm{d}}{2}\), then the viscous force acting on the ball will be :NEET 2021 Medium
- In a vernier callipers, 20 VSD coincide with 16 MSD (each division of length 1 mm). The least count of the vernier callipers is :NEET 2026 Medium
- Three identical spheres, each of mass \(M ,\) are placed at the corners of a right angle triangle with mutually perpendicular sides equal to \(2 \;m\) (see figure). Taking the point of intersection of the two mutually perpendicular sides as the origin, find the position vector of centre of mass.
NEET 2020 Medium - An iron rod of susceptibility \(599\) is subjected to a magnetising field of \(1200\, Am ^{-1}\). The permeability of the material of the rod is \(\left(\mu_{0}=4 \pi \times 10^{-7}\, T\, m\, A ^{-1}\right)\)NEET 2020 Medium
- A \(800\) turn coil of effective area \(0.05\; \mathrm{m}^{2}\) is kept perpendicular to a magnetic fleld \(5 \times 10^{-5}\; \mathrm{T}\). When the plane of the coil is rotated by \(90^{\circ}\) around any of tis coplanar axis in \(0.1\; \mathrm{s}\), the \(emf\) induced in the coll will be.....\(V\)NEET 2019 Medium
- Two cars moving in opposite directions approach each other with speed of \(22\, m s^{-1}\) and \(16.5 \, m s^{-1}\) respectively. The driver of the first car blows a horn having a frequency \(400 \,Hz.\) The frequency heard by the driver of the second car is ..... \(Hz\) (velocity of sound is \(340 \, m s^{-1}\))NEET 2017 Easy
More PYQs from NEET
- The conductivity of centimolar solution of \(KCl\) at \(25^{\circ}\,C\) is \(0.0210\,ohm ^{-1}\,cm ^{-1}\) and the resistance of the cell containing the solution at \(25^{\circ}\,C\) is \(60\,ohm\). The value of cell constant is \(.........\,cm ^{-1}\)NEET 2023 Hard
- Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for \(C, Ca, Al, F\) and \(O\) ?NEET 2013 Hard
- \(\operatorname{Zr}\,(\mathrm{Z}=40)\) and \(\mathrm{Hf}\,(\mathrm{Z}=72)\) have similar atomic and ionic radii because of :NEET 2021 Easy
- In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to asNEET 2019 Medium
- Crystal field splitting energy for high spin \(d^4\) octahedral complex isNEET 2013 Hard
- Strong reducing behaviour of \(H _{3} PO _{2}\) is due toNEET 2017 Medium