equations

Question 1

equation linking charge, current and time

Answer 1

Charge = Current × Time

Question 2

equation linking current, resistance and potential difference

Answer 2

Potential difference = Current × Resistance

Question 3

equation linking charge, energy transferred and potential difference

Answer 3

Energy transferred = Charge x Potential difference

Question 4

equation linking time, power and energy transferred

Answer 4

Energy transferred = Power × Time

Question 5

equation linking current, power and potential difference

Answer 5

Power = Potential difference × Current

Question 6

equation linking current, resistance and power

Answer 6

Power = (Current) 2 × Resistance

Question 7

equation linking mass, volume and density

Answer 7

mass = density x volume

Question 8

equation linking gravity, weight and mass

Answer 8

weight = gravity x mass

Question 9

equation linking work done, distance and force

Answer 9

work done = force x distance

Question 10

equation linking extension, force and spring constant

Answer 10

force = spring constant x extension

Question 11

equation linking acceleration, mass and resultant force

Answer 11

resultant force = mass x acceleration

Question 12

equation linking potential difference, resistance and current

Answer 12

potential difference = current x resistance

Question 13

equation linking PD, charge and energy

Answer 13

energy = pd x charge

Question 14

equation linking time charge and current

Answer 14

charge = current x time

Question 15

equation linking pd current and resistance

Answer 15

pd = current x resistance

Question 16

equation linking kinetic energy, mass and speed

Answer 16

KE = 0.5 x mass x speed^2

Question 17

equation linking gravitational potential energy, mass, height and gravitational field strength

Answer 17

GPE = mass x height x gravitational field strength

Question 18

equation linking wave length, wave speed and frequency

Answer 18

wave speed = frequency x wave length