In electric resistance welding voltage required for heating is

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The unit of electrical resistance of a conductor is

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A capacitance of 2uf is required in an electrical circuit

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A rocket of mass m is launched straight up with thrust f⃗ thrust.

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A hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. the total electrical energy used by the dryer during this time interval is

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The african cicada is the world's loudest insect, producing a sound intensity level of 107 db at a distance of 0.50 m. what is the intensity of its sound (in w/m2) as heard by someone standing 3.1 m away? express your answer in watts per meter squared.

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A thief runs at a speed of 10m s

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