Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 36 12 50 24 36 12 50 ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Negative ion Neutron None of these Positive ion Negative ion Neutron None of these Positive ion ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room The exhaled warmer air rises up and goes out ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Decibel Decimal None of these Ppm Decibel Decimal None of these Ppm ANSWER DOWNLOAD EXAMIANS APP
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