Q20.As shown in the figure the voltmeter reads 2 V across 5 Ω resistor. The resistance of the voltmeter is _____ Ω
What This Question Tests
This question requires understanding how a voltmeter affects a circuit by drawing current and using Ohm's law and parallel resistance concepts to find its internal resistance.
Concepts Tested
Formulas Used
V = IR
Current division in parallel circuits
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📋 Question Details
- Chapter
- Current Electricity
- Topic
- Voltmeter resistance
- Year
- 2023
- Shift
- 06 Apr Shift 2
- Q Number
- Q20
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 3: Current Electricity
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