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The temperature at which the tungsten filament of a 12V and 36W lamp operates is 1730 Degrees Celsius. If the temperature coefficient of resistance of tungsten is 610^−3/K, find the resistance of the lamp at a room temperature of 20 Degrees Celsius.

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a stone dropped from the roof building takes 4 seconds to reach the ground. find the hieght of the building

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A woman starts from her home at 9.00 am, walks with a speed of 5 km h1 on a straight road up to her office 2.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of 25 km h1. Choose suitable scales and plot the x-t graph of her motion.

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Two charged spheres are held a distance, r, apart. One sphere has a charge of +4µC, and the other sphere has a

charge of +8µC. Compare the force of the +4µC sphere on the +8µC sphere with the force of the +8µC sphere

on the +4µC sphere.

charge of +8µC. Compare the force of the +4µC sphere on the +8µC sphere with the force of the +8µC sphere

on the +4µC sphere.

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you are given 3 resistors each of 3 ohm and you are asked to get all possible values resistance when you connect them in different combinations.how many values of resistnce you can get?

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a bus moves from station A and station B with a speed of 40 km/h travelling a distance of 100km then it travels from station B to station C covering a distance of 200km with a speed of the bus for the entire journey."

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Nancy is playing on a ladder and slide. The entry point of the slide is 3.0 meters above the ground and the slide is inclined at an angle of 30.0° with the horizontal. What is Nancy’s displacement each time she slides down from the top?

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A body has speed V in first one-third of the total distance travelled, 2V in the next one third

distance and 3V in the last one third distance. Calculate average speed.

distance and 3V in the last one third distance. Calculate average speed.

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An object is dropped from a height h. During the last second of its journey the object travels a

distance 9h/25.Then,

What is the value of ‘h’?

distance 9h/25.Then,

What is the value of ‘h’?

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An object is dropped from a height h. During the last second of its journey the object travels a

distance 9h/25.

How much time the object takes in reaching the ground?

distance 9h/25.

How much time the object takes in reaching the ground?

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