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US President Joe Biden signed a law on 24th December 2024, officially making the bald eagle the national bird of the United States. • Historical Background: o 1782: Bald eagle became the national emblem of the US but was not legally recognized.
The shape of our Milky Way galaxy is
Who laid the foundations of Quantum Theory?
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
The unit 'Weber' is associated with which of the following?
Escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body. The escape velocity from Earth i...
In half-wave rectifier, what is the output frequency if the input frequency is 40 Hz. What is the output frequency of a full-wave rectifier for the same...
Which law states that the induced electromotive force (e.m.f.) is proportional to the rate of change of magnetic flux linkage?
A heating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2....
Tungsten is used for the manufacture of the filament of an electric bulb, because –
After rising a short distance the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a stream...
