Question
There are 14 candidates for 5 post. In how many
different ways can be post be filled?Solution
14p5=14*13*12*11*10 = 240240
Which device measures temperature?
In which direction does torque act?
Let the electric field part of an electromagnetic wave is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î.
Compute the...
In AC circuits, AC meters measure –
Fog is an example of –
Which among the following is not a characteristic of transition metals?
A uniform wire is bent into a circle and a battery is connected across a chord that subtends an angle of 60° at the center. What is the ratio of curren...
A coil takes 4 A from a 12 V DC source. When connected to a 12 V, 50 rad/s AC source, the current is 2.4 A. The inductance of the coil is:
Calculate the speed of light in diamond if its refractive index is 2.4.
(Speed of light = 3 × 10⁸ m/s)
A transformer works on which principle?