(II) A galvanometer has an internal resistance of 32 Ω and deflects full scale for a 55-μA curre

Name: (II) A galvanometer has an internal resistance of 32 Ω and deflects full scale for a 55-μA current. Describe how to use this galvanometer to make (a) an ammeter to read currents up to 25 A, and (b) a voltmeter to give a full-scale deflection of 250 V.
Uploaded: 2023-06-13T17:46:39-08:00
Duration: 1 min 21 s
Channel: Adi S
Description: (II) A galvanometer has an internal resistance of 32 Ω and deflects full scale for a 55-μA current. Describe how to use this galvanometer to make (a) an ammeter to read currents up to 25 A, and (b) a voltmeter to give a full-scale deflection of 250 V.

Question

Suman K · Accepted Answer

(a) To convert the galvanometer into an ammeter that can read up to 25 A, we need to add a shunt

Question

(II) A galvanometer has an internal resistance of 32 $\Omega$ and deflects full scale for a 55-$\mu$A current. Describe how to use this galvanometer to make ($a$) an ammeter to read currents up to 25 A, and ($b$) a voltmeter to give a full-scale deflection of 250 V.

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