Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics The rate at which energy is transferred is called Power Watt Volt Potential Power Watt Volt Potential ANSWER DOWNLOAD EXAMIANS APP
Physics Rise of oil a wick is due to Surface tension of the oil Density of the oil Pressure of the oil Viscosity of the oil Surface tension of the oil Density of the oil Pressure of the oil Viscosity of the oil ANSWER DOWNLOAD EXAMIANS APP
Physics What is colour of light related to ? Amplitude Frequency Quality Velocity Amplitude Frequency Quality Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 0.3 m 300 m 30 m 3 m 0.3 m 300 m 30 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 3P 2p/ 3 P/3 P 3P 2p/ 3 P/3 P ANSWER DOWNLOAD EXAMIANS APP
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