Mathematics · Electrical Networks
एक वोल्टमीटर का प्रतिरोध 2000 Ω है, जब इसे एक डीसी सर्किट से जोड़ा जाता है तो इसकी बिजली की खपत 2 mW होती है। यदि इस वोल्टमीटर को उसी सर्किट में 4000 Ω प्रतिरोध वाले वोल्टमीटर से बदल दिया जाए, तो बिजली की खपत कितनी होगी?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 mW✓
- 23 mW
- 34 mW
- 42 mW
सही उत्तर देखें
1 mW
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