The battery in the circuit shown in Figure has an internal resistance of 0.01 ?. (a) An
Question:
The battery in the circuit shown in Figure has an internal resistance of 0.01 ?.
(a) An ammeter with a resistance of 0.01 ? is inserted in series with the 0.74-? resistor at point a. What is the reading of the ammeter?
(b) By what percentage is the current changed because of the ammeter?
(c) The ammeter is removed and a voltmeter with a resistance of 1 k? is connected in parallel with the 0.74-? resistor from a to b. What is the reading of the voltmeter?
(d) By what percentage is the voltage drop from a to b changed by the presence of the voltmeter?
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a I E R I 15076 A 1974 A b Without meter I 2 A with meter I 1...View the full answer
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ISBN: 978-0195134889
1st Edition
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