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Galvanometer, Potentiometer and Zener Diode for JEE: 6 solved questions

Real JEE paper questions on galvanometer, potentiometer and zener diode, part of experimental skills. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2011 to 2025. No sign-in needed to read them.

What this topic asks

• Potentiometer measurements — 4 questions
• Galvanometer and Zener diode — 2 questions

All 6 questions with solutions

• In a circuit for finding the resistance of a galvanometer by half deflection method, a 6 V battery and a high… JEE Main Online 2018
• An experiment is performed to determine the I-V characteristics of a Zener diode, which has a protective resi… JEE Main Online 2016
• Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance Rₚ=1 Ω as sho… JEE Main 22nd Jan 1st Shift 2025
• To measure the internal resistance of a battery, potentiometer is used. For R=10 Ω, the balance point is obse… JEE Main 4th April 1st Shift 2024
• The current in the primary circuit of a potentiometer is 0.2 A. The specific resistance and cross-section of… JEE Main Re-Schedule 2011
• The circuit diagram of potentiometer used to measure the internal resistance of cell (E) is shown in figure.… JEE Main 30th June 1st Shift 2022