Electrical Circuit Theory and Technology 6th Edition by John Bird

تمرين 6

A moving coil instrument gives a f.s.d. when the current is 50 mA and has a resistance of 40 . Determine the value of resistance required to enable the instrument to be used (a) as a 0-5 A ammeter, and (b) as a 0-200 V voltmeter. State the mode of connection in each case.