A sinusoidal message signal has a frequency of 250 Hz. This signal is the input to an FM modulator with an in- Hex of 8. Determine the bandwidth of the modulator output fa power ratio, P,, of 0.8 is needed. Repeat for a power ratio of 0.9.

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Wheatstone Bridge Method

A Wheatstone bridge is a circuit used to measure unknown resistance by measuring the ratios of the two branches of the circuit such that each branch has two resistance and out of four resistance one is unknown. The two branches are joined in between with the help of galvanometer which is used to determine the direction of the current. The main advantage of this circuit is that it can provide the most accurate measurement (different from a simple voltage separator).