Physics Superconductors are substances which offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to 10-6m 10-9m 10-8m 10-5m 10-6m 10-9m 10-8m 10-5m ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing direct current through it Passing alternating current through it Heating a magnet Hammering a magnet Passing direct current through it Passing alternating current through it Heating a magnet Hammering a magnet 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? C2>C1 C1pa = C2pg C1 = C2 C1>C2 C2>C1 C1pa = C2pg C1 = C2 C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Can't be determined Concave Convex Both A & B Can't be determined Concave Convex Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to 273°C 0°C – 273°C 100°C 273°C 0°C – 273°C 100°C ANSWER DOWNLOAD EXAMIANS APP