Formula for current is

• $Current\ =\ \frac{Ch\arg e\ }{time}$

• $Current\ =\ Ch\arg e\ \times\ time$

• $Current\ =\ \frac{time\ }{Ch\arg e}$

Formula for potential difference , given energy and charge, is

• $p.d\ =\ \frac{energy\ }{ch\arg e}$

• $p.d\ =\ \frac{ch\arg e}{energy}$

• $p.d\ =\ energy\ \times\ ch\arg e$

• $p.d\ =\ ch\arg e\ \times energy$

Formula for electromotive force , given energy and charge, is

•  $emf\ =\ \frac{energy\ }{ch\arg e}$ 

•  $emf\ =\ \frac{ch\arg e}{energy}$ 

•  $emf\ =\ energy\ \times\ ch\arg e$ 

•  $emf\ =\ ch\arg e\ \times energy$ 

Formula for electromotive force , given work done and charge, is

•  $emf\ =\ \frac{Work}{ch\arg e}$ 

•  $emf\ =\ \frac{ch\arg e}{Work}$ 

•  $emf\ =\ Work\ \times\ ch\arg e$ 

•  $emf\ =\ ch\arg e\ \times Work$ 

Formula for potential difference , given work done and charge, is

•  $p.d\ =\ \frac{Work}{ch\arg e}$ 

•  $p.d\ =\ \frac{ch\arg e}{Work}$ 

•  $p.d\ =\ Work\ \times\ ch\arg e$ 

•  $p.d\ =\ ch\arg e\ \times Work$ 

Formula for emf (or voltage) , given current and resistance

• $emf\ \left(or\ voltage\right)=\ total\ current\ \times total\ resis\tan ce$

• $emf\ \left(or\ voltage\right)\ =\ \frac{total\ current}{total\ resis\tan ce}$

• $emf\ \left(or\ voltage\right)\ =\ \frac{total\ resis\tan ce}{total\ current}$

Formula for potential difference across component (or voltage) , given current and resistance

•  $pd\ \left(or\ voltage\right)=\ current\times resis\tan ce$ 

•  $pd\ \left(or\ voltage\right)\ =\ \frac{current}{resis\tan ce}$ 

•  $pd\ \left(or\ voltage\right)\ =\ \frac{resis\tan ce}{current}$ 

formula for electrical power is

• $electrical\ power\ =\ \frac{energy}{time}$

• $electrical\ power\ =\ \frac{time}{energy}$

• $electrical\ power\ =\ energy\ \times time$

• $electrical\ power\ =\ time\ \times energy$

formula for electrical power is

• $electrical\ power\ =\ current\ \times voltage$

• $electrical\ power\ =\ \frac{voltage}{current}$

• $electrical\ power\ =\ \frac{current}{voltage}$

formula for electrical energy (in joules) is

•  $electrical\ energy\ =\ current\ \times voltage\ \times time$ 

•  $electrical\ energy\ =\ \frac{voltage\ \times time}{current}$ 

•  $electrical\ energy\ =\ \frac{current\ \times time}{voltage}$