Question:
A galvanometer having resistance of 200 Ω shows full deflection at 20 μA. If the galvanometer has to measure current up to 20 mA, the shunt resistance required is
A galvanometer having resistance of 200 Ω shows full deflection at 20 μA. If the galvanometer has to measure current up to 20 mA, the shunt resistance required is
Updated On: Feb 24, 2026
- \(\frac{200}{99}\Omega\)
- \(\frac{200}{999}\Omega\)
- \(\frac{20}{99}\Omega\)
- 200 × 999Ω
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The Correct answer is option is (B) : \(\frac{200}{999}\Omega\)
Was this answer helpful?
0
0
Top Questions on Electric Current
- Why can high or very low resistance not be measured accurately using the Wheatstone bridge principle?
- WBBSE XII - 2026
- Physics
- Electric Current
- A current of $ 2 \, \text{A} $ flows through a conductor for 10 minutes. What is the total charge that flows through the conductor?
- MHT CET - 2025
- Physics
- Electric Current
- What is the resistance of a wire of length $ L = 2 \, \text{m} $ and cross-sectional area $ A = 1 \times 10^{-6} \, \text{m}^2 $ made of a material with resistivity $ \rho = 1.5 \times 10^{-7} \, \Omega \, \text{m} $?
- MHT CET - 2025
- Physics
- Electric Current
A 5 $\Omega$ resistor and a 10 $\Omega$ resistor are connected in parallel. What is the equivalent resistance of the combination?
- MHT CET - 2025
- Physics
- Electric Current
- When the switch of the circuit is turned on, the filament of the bulb glows instantaneously because:
- CBSE CLASS XII - 2025
- Physics
- Electric Current
View More Questions
Questions Asked in JEE Main exam
- An infinitely long straight wire carrying current $I$ is bent in a planar shape as shown in the diagram. The radius of the circular part is $r$. The magnetic field at the centre $O$ of the circular loop is :
- JEE Main - 2026
- Current electricity
- As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface. If refractive index of the material of prism is $\sqrt{2}$, the angle $\theta$ of prism is :
- JEE Main - 2026
- Atomic Physics
- The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below. Based on this, predict the solution/reagent that will help to distinguish "P" and "Q" obtained in the reaction.
- JEE Main - 2026
- Aldehydes And Ketones
- The value of
\[ \left(\frac{1}{3}+\frac{4}{7}\right) +\left(\frac{1}{3^2}+\frac{1}{3}\times\frac{4}{7}+\frac{4}{7^2}\right) +\left(\frac{1}{3^3}+\frac{1}{3^2}\times\frac{4}{7}+\frac{1}{3}\times\frac{4}{7^2}+\frac{4}{7^3}\right) +\cdots \text{ up to infinite terms is} \]
- JEE Main - 2026
- Integration
From the following, how many compounds contain at least one secondary alcohol?
- JEE Main - 2026
- Alcohols, Phenols and Ethers
View More Questions