Question
Which of the following is an example of monopsony?
Solution
The correct answer is D
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:
Mirror formula is
Which law is violated if two bodies in mutual gravitational interaction exert unequal forces on each other?
Which lens is used to correct myopia (shortsightedness)? Â
An electron and a proton are accelerated by the same potential difference. Which one has a longer de Broglie wavelength?
A particle starts from rest and accelerates uniformly at 2 m/s² for 10 seconds, then moves with constant velocity for 5 seconds, and finally decelerat...
A transistor works as an amplifier only when:
In which medium can sound not travel?
Which of the following statements is true for a conductor in an electric field?
‘Lubb-dupp’ sound is produced due to the action of