Physics The rice is cooked more quickly in a pressure cooker because Less quantity of water is used. It is covered. Water boils at a higher temperature under pressure. None of these Less quantity of water is used. It is covered. Water boils at a higher temperature under pressure. None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 0.6 units 60 units 600 units 6 units 0.6 units 60 units 600 units 6 units ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 4 R/5 5 R 5 R/4 R/5 4 R/5 5 R 5 R/4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Axial Rotary Reciprocating Centrifugal Axial Rotary Reciprocating Centrifugal ANSWER DOWNLOAD EXAMIANS APP
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