what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
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Question: What p.d. Is Needed To Make A 2amp Current Flow Through A 10ohm Resistor
p.d is the voltage across an open circuit,
that when the current is flowing through the circuit,
v=ir, if the current i= 2amps,resistancer = 10 ohm
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