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Which has a higher resistance : a 50 W lamp bulb or a 25 W lamp bulb and how many times ? -2005 CBSE Physic class 101 AnswerA torch bulb is rated 2.5 V and 750 mA. Calculate (i) its power, (ii) its resistance and (iii) the energy consumed if this bulb is lighted for 4 hours. -2005 CBSE Physic class 101 AnswerIn a drying experiment, the constant rate of drying is found to be 3.6 kg water m^-2h^-1. Dry bulb and wet bulb temperatures of the drying air are 75C and 37C, respectively. Latent heats of vapourization at the dry bulb and the wet bulb temperatures 1 Answer The supply voltage to a room is 120 V. The resistance of the lead wires is 6Ω. A 60 W bulb is already switched on. What is the decrease of voltage across the bulb, when a 240 W heater is switched on in parallel to the bulb ? - physics 20131 AnswerAn electric lamp, whose resistance is 20 Ω, and a conductor of 4 Ω resistance are connected to a 6 V battery. Calculate (a) the total resistance of the circuit, (b) the current through the circuit, and (c) the potential difference acr1 AnswerAn electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb? -CBSE Physics 1 AnswerAn electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as a1 AnswerName a metal which offers higher resistance to the passage of electricity than copper. -2005 CBSE physics Class 101 Answer When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to . cbse-class8-physics-20151 AnswerA lamp consumes 1000 J of electrical energy in 10 s. What is its power? - Physics Cbse class 11 1 AnswerWhat happens to the mercury, when the bulb of the thermometer comes in contact with a hot object?-NCERT SCIENCE CLASS 6TH CBSE 20172 AnswerGive reasons why electric bulb fuses. NCERT SCIENCE CLASS 6TH CBSE 20171 AnswerA battery lights a bulb. Describe the energy changes involved in the process. - Physics Cbse class 11 1 AnswerChoose the correct answer :The Thin Wire that gives off light in the bulb is a) Electric Cell b) Filament c) Terminals d) None Of The Above -NCERT CBSE CLASS 6TH SCIENCE 20161 AnswerA bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. 1 AnswerThe bulb does not glow in the setup shown in figure. List the possible reasons. Explain your answer. cbse-class8-physics-20151 AnswerA wire of length L and resistance R is stretched so that its length is doubled and the area of cross-section is halved. How will its : 2007 CBSE Physic class 101 AnswerA current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit. -CBSE Physics1 AnswerWhich of the non-living things listed below, were once part of a living thing? (Science-Ncert class 6)1 AnswerAn electric iron has a rating of 750 W, 220 V. Calculate -2007 CBSE Physic class 101 Answer