What is the longest lasting synthetic periodic element?
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What two properties of electromagnetic waves are used to attach info to radio signals?
Explain the Electric dynamo ?
what is meant by vector atom model and what is the use of it?
What is Soda lime ?
Explain the cause of brownian motion?
Explain the Archimedes’s Principle ?
Explain qualitatively the phenomenon of quantum tunneling of an electron across a potential barrier? : quantum physics
Why does the colour of a material look differently in sunlight that than in the electrical-lamp
Why is a man hit harder, when he falls on a paccafloor than when he falls on sand from the same height ?
A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?
What is periodic wave?
Is a sewing needle magnetic or non magnetic?