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Q.1 2. નીચેનામાંથી કયું પદ પરિપથમાં વિદ્યુતપાવર દર્શાવતું નથી?

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Q.2 4. એક જ દ્રવ્યમાંથી બનેલા બે વાહક તારની લંબાઈ અને વ્યાસ સમાન છે. સમાન વિદ્યુતસ્થિતિમાનના તફાવત હેઠળ તેમને સૌપ્રથમ શ્રેણીમાં અને ત્યાર પછી સમાંતરમાં જોડવામાં આવે છે, તો શ્રેણી અને સમાંતર જોડાણમાં ઉત્પન્ન થતી ઉષ્માનો ગુણોત્તર ________ હશે.

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Q.3 1. $R$ અવરોધ ધરાવતા તારના પાંચ સમાન ટુકડા કરવામાં આવે છે. આ ટુકડાઓને સમાંતર જોડવામાં આવે છે. જો જોડાણનો પરિણામી અવરોધ $R'$ હોય, તો $\frac{R}{R'}$ ગુણોત્તર કયો થશે?

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Q.4 $\frac{V^2}{R}$