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. 40 80 4000 2000 40 80 4000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Coal Solar Wind Biogas Coal Solar Wind Biogas ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Ultrasonics Audible sounds Megasonics Infrasonics Ultrasonics Audible sounds Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Ohm Hertz Tesla Henry Ohm Hertz Tesla Henry ANSWER DOWNLOAD EXAMIANS APP
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