Although an ideal voltmeter has an infinite internal resistance, this theoretical ideal is usually not met...
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Although an ideal voltmeter has an infinite internal resistance, this theoretical ideal is usually not met in practice. The voltmeter in the Figure has an internal resistance of 3 x 109 2 and is used to measure the voltage across the resistor R₂ as shown. Attaching this non-ideal voltmeter decreases the voltage across R₂. Calculate the magnitude of this decrease using an emf of 20 V and R₁ = R₂ = 200 ks. Submit Answer Tries 0/8 Post Discussion R₂ Send Feedb Although an ideal voltmeter has an infinite internal resistance, this theoretical ideal is usually not met in practice. The voltmeter in the Figure has an internal resistance of 3 x 109 2 and is used to measure the voltage across the resistor R₂ as shown. Attaching this non-ideal voltmeter decreases the voltage across R₂. Calculate the magnitude of this decrease using an emf of 20 V and R₁ = R₂ = 200 ks. Submit Answer Tries 0/8 Post Discussion R₂ Send Feedb
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Related Book For
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
Posted Date:
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