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6. What is the eqaution for density?
- density = area x mass
- density = mass / volume
- density = mass x volume
- density = mass / area
7. What is the equation for force?
- force = change in resistance / potential difference
- force = change in momentum x current
- Force = change in momentum / time taken
- force = change in momentum / current
8. What is the eqaution for potential difference?
- P.D = resistance x current squared
- P.D = current x time
- P.D = current x resistance
- P.D = charge flow / time
9. What is the equation for power?
- Power = current / potential difference
- Power = potential difference x current
- Power = charge flow x current
- Power = current x resistance squared
10. what is the equation for energy transferred?
- energy transferred = current / resistance
- energy transferred = power x time
- energy transferred = current x resistance
- energy transferred = power / time