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A diode is an electrical component in a circuit. It only allows electricity to flow in one direction. It can be used to change a current from alternating to direct.
The fundamental unit of electricity is 'charge'. Each electron is slightly negatively charged and it is this movement of charge around a circuit which powers our appliances. The speed of the electrons/the...
Newtons First Law:An object at rest will stay at rest, and an object in motion will stay in constant motion unless acted upon by a resultant forceNewtons Second Law:F=ma Newtons Third Law:If o...
Using the equation Q = mcT, where Q represents energy in Joules, m represents mass in kg, c represents specific heat capacity measure in joules kg-1 K-1 and lastly, T represents the ...
Answer: 20ms-1The gravitational potential energy before the ball is dropped is equal to mgh. This gives the ball a maximum gravitational potential energy of 5.0kg * 9.8N/kg 20m which is equ...
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