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? None 2k1k2/k1+k2 K1k2/k1+k2 K1+k2/k1k2 None 2k1k2/k1+k2 K1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? Depended upon the nature of the body Outer surface of the body At the core Throughout the body Depended upon the nature of the body Outer surface of the body At the core Throughout the body ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Equal to the true weight Less than the true weight More than the true weight May be more or less than true weight Equal to the true weight Less than the true weight More than the true weight May be more or less than true weight ANSWER DOWNLOAD EXAMIANS APP
Physics In quantum mechanics a particle is represented by a None of these Wave packet Particle Wave None of these Wave packet Particle Wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following events occurred first ? Marconi first tranmitted a wireless signal Max Planck unveiled the Quantum Theory Madame Marie Curie became the first woman Nobel Prize winner Albert Einstein propounded the General Theory of Relativity Marconi first tranmitted a wireless signal Max Planck unveiled the Quantum Theory Madame Marie Curie became the first woman Nobel Prize winner Albert Einstein propounded the General Theory of Relativity ANSWER DOWNLOAD EXAMIANS APP
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