What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A passes through it for 25 seconds?
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A galvanometer can be converted into a voltmeter by connecting with it a
Friction is caused by the ______________ on the two surfaces in contact.
Who proposed Continental drift theory?
An Odometer is an instrument used to measure ____ in automobiles.
Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)
Which one of the following takes place during a nuclear fusion?
Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?
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