A moving-coil instrument has an internal resistance of $175?$ and gives a fullscale deflection when 12,5 mA flows through it: Calculate: 6.1.1 The value of the shunt resistor needed to convert the instrument to an ammeter that has a range of $0 A$ to $7 A$ . 6.1.2 The value of the multiplier resistor needed to convert the instrument to a voltmeter with a range of $0 V$ to $45 V$ .

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A moving-coil instrument has an internal resistance of

175?

and gives a fullscale deflection when 12,5 mA flows through it: Calculate: 6.1.1 The value of the shunt resistor needed to convert the instrument to an ammeter that has a range of

0 A

to

7 A

. 6.1.2 The value of the multiplier resistor needed to convert the instrument to a voltmeter with a range of

0 V

to

45 V

.

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