12th Standard CBSE Syllabus & Materials

12th Standard CBSE

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CBSE 12th Standard Physics Subject Current Electricity HOT Questions 1 Mark Questions With Solution 2021

Published on: 27/05/2021

QB365 Provides the HOT Question Papers for Class 12 Physics, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

Download CBSE Class 12th Standard CBSE Physics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Physics

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Std: 12th Standard CBSE - Physics

chapter: - HOT Questions

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Questions:

Generic 2

5 x 2 = 10

Two 120V light bulbs, one of 25W and another of 200W are connected in series. One bulb burnt out almost instantaneously? Which one was burnt and why?

What will be the change in the resistance of the circular wire, when its radius is halved and length is reduced by 1/4^th of original length.

A heater joined in series with the 60W bulb. With change of bulb with 100 W in the circuit, the rate heat produce by the heater will more or less or remain same

If the temperature of the conductor increases, how does the relaxation time of electron changes

If the length of the wire conductor is doubled by stretching it, keeping potential difference constant by what factor the drift speed of the electron changed.