Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 5R/4 2R 3R/4 R/2 5R/4 2R 3R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. We feel cool when air touches the body. ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Clarity of waves Wavelength Frequency of waves Intensity of waves Clarity of waves Wavelength Frequency of waves Intensity of waves ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of The heat generated by the flow of electrical current through the body The high energy of electrons All of these Radiation pulses of the electricity The heat generated by the flow of electrical current through the body The high energy of electrons All of these Radiation pulses of the electricity ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 0.33 km 3.33 km 33 km 1200 m 0.33 km 3.33 km 33 km 1200 m ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 4°C 100°C 0°C 273°C 4°C 100°C 0°C 273°C ANSWER DOWNLOAD EXAMIANS APP
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