Due to the change in main voltage, the temperature of an electric bulb rises from \( 3000 \mathr... VIDEO
Due to the change in main voltage, the temperature of an electric bulb rises from \( 3000 \mathrm{~K} \) to \( 4000 \mathrm{~K} \). What is the percentage rise in electric power consumed?
(a) 216
(b) 100
(c) 150
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-11-07 Assertion A hotter body has more heat content than a colder body.
Reason Temperature is the meas... 2022-11-07 An object kept in a large room having air temperature of \( 25^{\circ} \mathrm{C} \) takes 12 mi... 2022-11-07 A cup of tea cools from \( 81^{\circ} \mathrm{C} \) to \( 79^{\circ} \mathrm{C} \) in \( 1 \math... 2022-11-07 A body cools in \( 7 \mathrm{~min} \) from \( 60^{\circ} \mathrm{C} \) to \( 40^{\circ} \mathrm{... 2022-11-07 Certain quantity of water cools from \( 70^{\circ} \mathrm{C} \) to \( 60^{\circ} \mathrm{C} \) ... 2022-11-07 In equation \( -\frac{d Q}{d t}=k\left(T_{2}-T_{1}\right) \), where \( k \) is a positive consta... 2022-11-07 Hot water or milk, when left on a table begins to cool gradually, because
(a) temperature of sur... 2022-11-07 If temperature of sun \( =6000 \mathrm{~K} \), radius of sun \( =7.2 \times 10^{5} \mathrm{~km} ... 2022-11-07 Three very large plates of same area are kept parallel and close to each other. They are conside... 2022-11-07 The rate of loss of heat depends on
(a) the sum of temperature of the body and its surroundings
... 2022-11-07 Due to the change in main voltage, the temperature of an electric bulb rises from \( 3000 \mathr... 2022-11-07 Which of the following is not a greenhouse gas?
(a) \( \mathrm{CO}_{2} \)
(b) \( \mathrm{CH}_{4}... 2022-11-07 At what temperature will the filament of \( 100 \mathrm{~W} \) lamp operate, if it is supposed t... 2022-11-07 A spherical black body with a radius of \( 12 \mathrm{~cm} \) radiates \( 450 \mathrm{~W} \) pow... 2022-11-07 Heat is flowing steadily from \( A \) to \( B \). Temperature \( T \) at \( P \), at distance \(... 2022-11-07 Calculate radiation power for sphere whose temperature is \( 227^{\circ} \mathrm{C} \), radius i... 2022-11-07 The temperature of two bodies \( A \) and \( B \) are \( 727^{\circ} \mathrm{C} \) and \( 327^{\... 2022-11-07 On observing light from three different stars \( P, Q \) and \( R \), it was found that intensit... 2022-11-07 If the radius of a star is \( R \) and it acts as a black body, what would be the temperature of... 2022-11-07 The wavelength \( \lambda_{m}=5.5 \times 10^{-7} \mathrm{~m} \) corresponds to a temperature of ... 2022-11-07 The intensity of radiation emitted by the sun has its maximum value at a wavelength of \( 510 \m...