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Energy, Electricity & Particle Model Equations and Units

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

What is the equation that link charge, current and time?

a)

Charge = current/time (Q = I/t)

b)

Charge = current x time (Q = I x t)

c)

Current = charge x time (I = Q x t)

d)

Time = charge x current (t = Q x I)

2.

What is the equation that links potential difference, current and resistance?

a)

potential difference = current x resistance (V = I x R)

b)

potential difference = current/resistance (V = I/R)

c)

current = potential difference x resistance (I = V x R)

d)

Resistance = current / potential difference (R = I/V)

3.

What is the equation that links power, current and potential difference?

a)

Current = power x potential difference (I = P x V)

b)

Potential difference = current/power (V = I/P)

c)

Power = current x potential difference (P = I x V)

d)

Current = potential difference / power (I = V/P)

4.

What is the equation that links Power, Current and Resistance?

a)

Power = current x resistance (P = I x R)

b)

Power = current2 x resistance (P = I2 x R)

c)

Power = current x resistance2 (P = I x R2)

d)

Power = current2/resistance (P = I2/R)

5.

What is the equation that links Power, Energy and Time?

a)

Power = energy x time (P = E x t)

b)

energy = power x time (E = P x t)

c)

Time = power x energy (t = P x E)

d)

energy = power/time (E = P/t)

6.

What is the equation that links Energy, Charge, and Potential Difference?

a)

Energy = charge/potential difference (E = Q/V)

b)

Energy = potential difference / charge (E = V/Q)

c)

Energy = charge2 x potential difference (E = Q2 x V)

d)

Energy = charge x potential difference (E = Q x V)

7.

What is the equation that links kinetic energy, mass and velocity?

a)

Kinetic Energy = mass x velocity (KE = m x v)

b)

Kinetic Energy = 0.5 x mass x velocity (KE = 0.5 x m x v)

c)

Kinetic Energy = 0.5 x mass x velocity 2 (KE = 0.5 x m x v2)

d)

Kinetic Energy = 0.5 x mass2 x velocity (KE = 0.5 x m2 x v)

8.

What is the equation that links gravitational potential energy, mass, gravitational field strength, and height?

a)

Gravitational Potential = mass x height x gravitational field strength (GPE = m x h x g)

b)

Gravitational Potential = mass x (height/gravitational field strength) (GPE = mx(h/g))

c)

Gravitational Potential = mass/(height x gravitational field strength) (GPE = m/(hxg))

d)

Gravitational Potential = mass x gravitational field strength/height (GPE = mx(g/h))

9.

What is the equation that links power, work done and time?

a)

Power = work done x time (P = W x t)

b)

Power = work done/time (P = W/t)

c)

Power = time/work done (P = t/W)

d)

Power = work done x time2

10.

What is the equation that links work done, force and distance?

a)

Work Done = force/distance (W = F/d)

b)

Work Done = distance/force (W = d/F)

c)

Work Done = force x distance (W = F x d)

d)

Work Done = force x distance2 (W = F x d2)

11.

What is the equation that links efficiency, useful output, and total input energy?

a)

efficiency = useful output x total input

b)

efficiency = total input/useful output

c)

efficiency = useful input/total output

d)

efficiency = useful output/total input

12.

What is the unit of energy?

a)

Joule, J

b)

Watt, W

c)

Newton, N

d)

Volt, V

13.

What is the unit of Power?

a)

Joule, J

b)

Watt, W

c)

Newton, N

d)

Amp, A

14.

What is the unit of work done?

a)

Newton, N

b)

Ohm, Ω

c)

Watt, W

d)

Joule, J

15.

What is the unit of force?

a)

Volt, V

b)

Coulomb, C

c)

Joule, J

d)

Newton, N

16.

What is the equation that links density, mass and volume?

a)

density = mass x volume

b)

density = mass /volume

c)

density = volume/mass

17.

What is the unit of time?

a)

Amps, A

b)

Joules, J

c)

seconds, s

d)

kilograms, kg

18.

What is the unit of potential difference?

a)

Joules, J

b)

Volts, V

c)

Amps, A

d)

Coulombs, C

19.

What is the unit of current?

a)

Volts, V

b)

Coulombs, C

c)

Amps, A

d)

Ohms, Ω

20.

What is the unit of resistance?

a)

Volts, V

b)

Ohms, Ω

c)

Coulombs, C

d)

Joules, J

21.

What is the unit of charge?

a)

Volts, V

b)

Amps, A

c)

Ohms, Ω

d)

Coulombs, C

22.

What is the unit of density? (there are two correct answers)

a)

kg/m3

b)

kg/cm3

c)

g/cm3

d)

g/m3

23.

What is the unit of specific heat capacity?

a)

J0C/kg

b)

Jkg0C

c)

J/kg/0C

d)

J/kg0C

24.

What is the unit of specific latent heat?

a)

Jkg

b)

kgJ

c)

kg/J

d)

J/kg