Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. Hooke's Law First law of thermodynamics Faraday's Law The coulomb's law Hooke's Law First law of thermodynamics Faraday's Law The coulomb's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following criterion is used for any metal to be used as a cooking material ? More specific heat Less thermal conductivity Less electrical conductivity More thermal conductivity More specific heat Less thermal conductivity Less electrical conductivity More thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Protons at rest Circular motion of electrons All neutrons at rest Electrons at rest Protons at rest Circular motion of electrons All neutrons at rest Electrons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is caused due to Electric leak Electric discharge Electric pressure Electric power Electric leak Electric discharge Electric pressure Electric power ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 2000 4000 40 80 2000 4000 40 ANSWER DOWNLOAD EXAMIANS APP
Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 2268 J 336 J 80 J 4.2 J 2268 J 336 J 80 J ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS