Answer:
The circuit contains a filament bulb, connected with terminal to a terminal.
Explanation:
The base of the electric bulb and the metal tip of the base are the two terminals of the bulb. One is called a positive terminal while the other is called a negative terminal. The filament of the electric bulb is connected to its terminals.
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Answer with Explanation:
We are given that the mathematical form of wave

a.We have to find the speed of propagation of this wave
In given mathematical form
k=Wave number
=Angular frequency
A=Amplitude
We know that
Speed of propagation of the wave=
b.Differentiate w.r.r t

The velocity
of a point on the string as a function of x and t is given by

Answer: Instantaneous speed is measured at each particular instant, and average speed is the sum of the instantaneous speeds.