A galvanometer of ImA and 20ohms want to be use to measure current of 2A as an armeter and as voltmeter to measure the potentiometer of 20v Determine suitable resistor as ammeter of 2A 1 as ammeter of 20Amp 2 as voltmeter of 20v
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multipleQuestions
newQuestion What resistor is suitable for the galvanometer to function as an ammeter for 2A?
newAnswer To measure 2A, a shunt resistor of approximately 10 ohms is needed in parallel with the galvanometer.
newQuestion What resistor is suitable for the galvanometer to function as an ammeter for 20A?
newAnswer To measure 20A, a shunt resistor of approximately 0.95 ohms is needed in parallel with the galvanometer.
newQuestion What resistor is suitable for the galvanometer to function as a voltmeter for 20V?
newAnswer To measure 20V, a series resistor of approximately 980 ohms is needed with the galvanometer.