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ClarkComponents

Useful calculations

Cost before VAT

The price of the goods / 117.5 x 100 = Cost before tax

Example
If you buy a set of earphones from Tesco's  for £0.99 the tax man just got 15 pence from you

99/117.5x100=84.26
99-84=15 pence

Ohms Law

Voltage Drop

Power

Torque