Answer:When a magnet is moved through a coil of wire, an electric current is generated in the coil because
Explanation: the magnet is pushing and pulling on the coils to make it move.
Picture? I may be able to answer if you have a chart or some kind of graph as a referral to the question
Answer:
Explanation:
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C. Convection is the transfer of energy by the motion of a fluid. Fluids are by definition substances in which particles are able to flow. Hence the answer is c
Answer:
32.6mm
Explanation:
Using area of a sphere(bulb) = 4πr²
So A is proportional to radius²
So the Energy will be proportional to r²
But 120/80 = 1.5 is the energy factor so
Using
1.5/d² = 1/r²
1.5/40²= 1/r^2
r = √( 40²/ 1.5)
r = 32.6m
