11/6/21 Exam Revision Physics Flashcards by danielle clewley | Brainscape

Q

How do you work out charge?

A

Charge = Current x time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out the potential difference?

A

Potential difference = current x resistance

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out total resistance?

A

Total resistance = Resistance 1 + Resistance 2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out power (electricity )?

A

Power =Current x potential difference

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out energy transferred?

A

Energy transferred = Power x Time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out kinetic energy?

A

Ek = 1/2 x mv squared

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out gravitational potential energy?

A

Ep = mgh

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out energy efficiency?

A

E (E) = Useful energy output / total energy input

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do work out power efficiency?

A

E (P) = Useful power output / total power input

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out density?

A

Density = Mass / Volume

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How do you work out power (energy unit)

A

P = Work done / Time taken

How well did you know this?

1

Not at all

2

3

4

5

Perfectly