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एक से अधिक उत्तर प्रकार के प्रश्न

A coil of area 20 cm2 and 100 turns is kept in a magnetic field, directed perpendicular to the plane. The magnetic field is changing at the rate of 106 gauss/second. If resistance of the coil is 10 Ω, then

20 cm2 क्षेत्रफल तथा 100 घेरों वाली एक कुण्डली को तल के लम्बवत् निर्देशित चुम्बकीय क्षेत्र में रखा जाता है। चुम्बकीय क्षेत्र 106 गाऊस/सेकण्ड की दर से परिवर्तित हो रहा है। यदि कुण्डली का प्रतिरोध 10 Ω है, तब

A
Emf induced in the coil is 20 volt

कुण्डली में प्रेरित वि. वा. ब. 20 वोल्ट है
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B
Emf induced in the coil is 10 volt

कुण्डली में प्रेरित वि. वा. ब. 10 वोल्ट है
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C
The current in the coil is 1 A

कुण्डली में धारा 1 A है
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D
The current in the coil is 2 A

कुण्डली में धारा 2 A है
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Solution

The correct option is D The current in the coil is 2 A

कुण्डली में धारा 2 A है
Solution

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