एक कृत्रिम उपग्रह में बिजल – McqOptions

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1.	एक कृत्रिम उपग्रह में बिजली ऊर्जा का स्रोत क्या है ?
A.	सौर कोशिकाएं
B.	एक थर्मापाइल
C.	एक डाइनेमो
D.	एक छोटा परमाणु रिएक्टर
Answer» B. एक थर्मापाइल

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