Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 K1k2/k1+k2 None 2k1k2/k1+k2 K1+k2/k1k2 K1k2/k1+k2 None 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Unstable nucleus Stable nucleus Stable electronic configu-ration Stable electronic configu-ration Unstable nucleus Stable nucleus Stable electronic configu-ration Stable electronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Soft iron Stainless steel Hard steel Mild steel Soft iron Stainless steel Hard steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted into a voltmeter by connecting with it a Low resistance on parallel High resistance in parallel Low resistance in series High resistance on series Low resistance on parallel High resistance in parallel Low resistance in series High resistance on series ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following produces more severe burns ? Melting iceberg Hot water Boiling water Steam Melting iceberg Hot water Boiling water Steam ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
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