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The ammeter's needle would first be deflected one way, then as the direction of the current reversed, it would deflect the other way.
For the first part we know that the wavelength is over 1.0 m so it is a radio wave.To find the period we first find the frequency as the period is the reciprical of the frequency. (T = 1/f).To find the fr...
The students stand at a distance of 200 m from each other (measured with the measuring tape). Student 1 fires the pistol, Student 2 starts the stopwatch when they see smoke from the pistol and stop it whe...
The generator effect is the induction of a potential difference (leading to a current) when a wire experiences a change in magnetic field) (2 marks)In a transformer, there are primary and secondary coils....
Let the mass be m. Let the natural length of the spring be L. The defining equation of simple harmonic motion (SHM) is that the acceleration is proportional to, and acts in the opposite ...
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