Science · Physics
बिजली की घंटी (Electric Bell) में विद्युत धारा के किस प्रभाव का उपयोग किया जाता है?
- 1चुम्बकीय प्रभाव✓
- 2ऊष्मीय प्रभाव
- 3रासायनिक प्रभाव
- 4प्रकाशकीय प्रभाव
सही उत्तर देखें
चुम्बकीय प्रभाव
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