GK / GS · Chapter 9
Electricity PYQs
Switch on a fan, charge a phone, boil water in a kettle.
Electric Charge and Static Electricity 5 PYQs
- Who proved that lightning and sparks from clothes are similar?SSC MTS 2026 · 19 Feb 2026
- Lightning can strike which of the following? I. Telephone cords II. Electrical wiresSSC MTS 2026 · 19 Feb 2026
- What is used to denote net charge that flows across any cross-section of a conductor of electricity?SSC MTS 2026 · 17 Feb 2026
- Which of the following is the SI unit of electrical capacitance?SSC CGL 2026 · 15 Oct 2026
- Which symbol represents the quantity of electric charge?DSSSB 2026 · 04 Oct 2026
Electric Current, Potential Difference and Ohm's Law 12 PYQs
- In a metallic conductor carrying a steady current, how is electric current defined at a cross-section of the wire?Delhi Police 2026 · 16 Jan 2026
- In conventional circuit diagrams, what is taken as the direction of electric current in a conducting wire?Delhi Police 2026 · 20 Jan 2026
- A filament lamp shows deviation from Ohm's law because of:Delhi Police 2026 · 21 Jan 2026
- The average uniform velocity acquired by free electrons inside a metal by the application of an electric field is called as:Delhi Police 2026 · 16 Jan 2026
- What causes electrons to flow in a specific direction in a metallic conductor, creating an electric current?Delhi Police 2026 · 20 Jan 2026
- Which law quantifies the relationship between resistance, voltage, and current?SSC Stenographer 2026 · 10 Sep 2026
- Which statement best expresses Ohm's law for an ohmic conductor kept at constant temperature?Delhi Police 2026 · 16 Jan 2026
- For a metallic conductor that obeys Ohm's law, what is the general shape of its V-I graph when temperature is kept constant?Delhi Police 2026 · 21 Jan 2026
- A conductor X has a potential difference of 10 V across it when a current of 2.0 A flows. Another conductor Y has the same potential difference of…Delhi Police 2026 · 16 Jan 2026
- Two metallic wires P and Q have resistances of 3 ohm and 6 ohm respectively. They are connected separately across the same potential difference. How…Delhi Police 2026 · 16 Jan 2026
- What are the primary charge carriers responsible for the flow of electric current in a metallic conductor?Delhi Police 2026 · 21 Jan 2026
- Ampere-second is a unit of which physical quantity?SSC CGL 2026 · 15 Oct 2026
Resistance and Resistivity 4 PYQs
- A wire of resistance R is stretched to double its original length. What is the new resistance of the wire, assuming uniform cross-section?Delhi Police 2026 · 06 Jan 2026
- Two wires A and B are made of the same material and kept at the same temperature. Wire B has twice the length and twice the diameter of wire A. If…Delhi Police 2026 · 21 Jan 2026
- A metallic wire of length L and cross-sectional area A has a resistance R. If the length of the wire is doubled while keeping the volume constant,…Delhi Police 2026 · 20 Jan 2026
- Which factor listed is independent of a conductor's electrical resistance?Delhi Police 2026 · 20 Jan 2026