An idealized voltmeter is connected across the terminals of a 15 volt battery and a 7.5…
Physics · JEE Main · NTA Exams — Current Electricity
An idealized voltmeter is connected across the terminals of a 15 volt battery and a 7.5 ohm appliance is also connected across its terminals .If the voltmeter reads 12.5 volt .What is the internal resistance of the battery.
- 1.0 Ω
- 1.2 Ω
- 1.4 Ω
- 1.5 Ω
Answer
(D) 1.5 Ω
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