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Length (l) = 1 m Resistance of potentiometer wire = 10Ω Current (I) in potentiometer wire = V/(R + R') = 6/(10 + 5) = 6/15 = 0.4 A Potential gradient (k) = IRp/L = (0.4 × 10)/1 = 4 Vm-1 e = kl = 4 × 0.8 = 3.2 V
A storeroom has only steel and copper rods in the ratio 3:4, respectively and the weight of each steel and each copper rod is in the ratio 5:8, respecti...
The cost of fencing a rectangular field at the rate of Rs. 14/metre is Rs. 1176. If the ratio of length to breadth is 4:3, find the area of the rectangu...
Four circles of equal radii are described about the four corners of a square so that each touches two of the other circles. If each side of the square i...
The lateral surface area of a cube is 196 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 3 ...
A tank whose length, width and height are 19 metres, 14 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
The perimeter of a rectangle is 120% more than perimeter of a square of side 10 cm. If the length of rectangle is 250% more than side of square then fin...
The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is:
Height of a cylindrical vessel is equal to side of a square, whose area is 324cm². Radius of cylindrical vessel is equal to average of radius of a sphe...
An agricultural field is in the form of rectangle having length X1 meters and breadth X2 meters. (X1 and X2 are variables). If X1 + X2 = 40 meters, then...
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
