NDA Current Electricity questions with solutions
Circuits, Ohm's law, power and domestic electricity. 20 questions from our 2016–2025 NDA pattern papers, from the Class 12 Physics syllabus. Each has the answer and a full solution.
NDA 2025
NDA 2024
NDA 2023
NDA 2022
NDA 2021
NDA 2020
- Three resistors of 6 ohm each are connected in parallel and this combination is connected in series with a 4 ohm resistor across a 12 V battery. The…
- An electric heater rated 2 kW is used for 30 minutes. The electrical energy consumed is
- A fuse used in household circuits. 1. It is connected in series with the appliance it protects. 2. The fuse wire is made of a material with a very…
NDA 2019
- Two identical bulbs, each marked 220 V, 100 W, are connected in series across a 220 V supply. The total power consumed by the pair is
- A 60 W bulb runs for 5 hours and a 1000 W heater runs for 30 minutes. The total electrical energy consumed is
- A fuse wire is connected in parallel with the appliance it protects. 2. The material of a fuse wire has a low melting point.
NDA 2018
- An electric bulb is rated 100 W, 200 V. The current drawn by the bulb when connected to a 200 V supply is
- A galvanometer is converted into an ammeter by connecting a low resistance in parallel with it. 2. A galvanometer is converted into a voltmeter by…
- In a series circuit the same current flows through all the resistors. 2. In a parallel circuit the same current flows through every branch.
NDA 2017
NDA 2016
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