Physics · Electronic Measurements
मूल रूप से, कैथोड रे ऑसिलोस्कोप (CRO) एक ______ है:
- 1एनर्जी मीटर
- 2वाटमीटर
- 3बोल्टमीटर✓
- 4एमीटर
सही उत्तर देखें
बोल्टमीटर
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