A galvanometer with a resistance of 15.0 N gives a full-scale reading for a current of 3.0 A. (a) What is the voltage corresponding to the full-scale deflection of the galvanometer? (b) What resistance connected in series with this galvanometer is needed to convert this into a voltmeter with a 300.0 V full-scale reading?

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A galvanometer with a resistance of 15.0 N gives a full-scale reading for a current of 3.0 A.
(a) What is the voltage corresponding to the full-scale deflection of the galvanometer? (b) What
resistance connected in series with this galvanometer is needed to convert this into a voltmeter with a
300.0 V full-scale reading?
A digital multimeter has an internal electronic circuitry that
is different from a galvanometer. This circuitry senses the electrical
signal (voltage or current) or the resistance of the sample under test,
and converts them to a digital data through a built-in analog-to-digital
converter. A digital multimeter has a microcontroller that processes
the digital data and displays the readout to a liquid crystal display
(LCD) matrix. A typical digital multimeter is shown in figure 4-6.
CE
Fig. 4-6. A digital multimeter
MTIMETR
Transcribed Image Text:A galvanometer with a resistance of 15.0 N gives a full-scale reading for a current of 3.0 A. (a) What is the voltage corresponding to the full-scale deflection of the galvanometer? (b) What resistance connected in series with this galvanometer is needed to convert this into a voltmeter with a 300.0 V full-scale reading? A digital multimeter has an internal electronic circuitry that is different from a galvanometer. This circuitry senses the electrical signal (voltage or current) or the resistance of the sample under test, and converts them to a digital data through a built-in analog-to-digital converter. A digital multimeter has a microcontroller that processes the digital data and displays the readout to a liquid crystal display (LCD) matrix. A typical digital multimeter is shown in figure 4-6. CE Fig. 4-6. A digital multimeter MTIMETR
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