The resistivity of a material is the ability to oppose the current flow in a conductor. Resistivity is the inverse of conductivity. The unit of... View Article
(A) Surface of wet soap (B) Surface of tyres (C) Glazed tiles (D) Surface of mirror The correct answer is option (B) Surface of tyres The... View Article
Velocity is a vector quantity as it has both magnitude and direction. Speed is a scalar quantity as it has magnitude only. It has no direction.... View Article
Kit Kat Fuse is a semi-enclosed fuse, which is also considered a rewireable fuse This fuse is mainly designed for domestic wiring and small... View Article
The rotational analogue of force in linear motion is torque. Torque = force× perpendicular distance to the line if the action of a force... View Article
(A) Am-1 (B) Am-2 (C) Hm-1 (D) Hm-2 A correct answer is an option (C) Hm-1 The SI unit of magnetic permeability is Henries per meter ( Hm-1)... View Article
If we don't reduce the friction in machines, it will damage the parts of machinery due to the excess generation of heat. Also, if the friction is... View Article
The current sensitivity of the galvanometer is defined as the ratio of deflection produced in the galvanometer to the current flowing through it.... View Article
Statement 1: Akash is taller than Piyush and Piyush is taller than Manoj. Manoj is not the shortest. Statement 2: Nitesh is smaller than Manoj... View Article
Divide 1 by 0.1 = 10divide 1 by 0.01 = 100divide 1 by 0.001 = 1000If you repeat this process, you will notice that the outcome will continue to... View Article
The required ascending order is : 2/5 , 5/9 , 4/7. L.C.M. of 7, 9 and 5 is 315 So, making the denominator of all the three numbers 315 180/315,... View Article
An utilised variant of a determined equality of ratios is referred to as alternando.If a/b=C/D, then a/c=b/d is trailed, and this is the... View Article
The GCF - greatest common factor of 81 and 16 is Now let us find the factors of 81 and 16 The factors of 81 are 81, 27, 9, 3, 1 The factors of... View Article
