JAMB - Physics (1990 - No. 38)
A 0 - 10mA galvanometer with a coil resistance of 30\(\Omega\) can be converted to a 0 - 10A ammeter by using
0.03\(\Omega\) series resistor
0.03\(\Omega\) shunt resistor
9.99\(\Omega\) shunt resistor
9.99\(\Omega\) series resistor
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