An AM transmitter antenna current is measured with no modulation and found to be 2.6 amperes. With modulation, the current rises to 2.9 amperes. The percent modulation is _______

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Q: + Vin - 10 ww 0.1 mF 10 w 0.1 mF + Vo

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Q: Fourier transform is for a periodic function as z-transform is for  a _____________

A: The objective is to determine the type of function for which the z-transform is used.

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Q: It refers to the amount of amplitude change in an AM waveform.

A: What refers to the change in amplitude in AM waveform?

Q: E = 10 V 16.7 mA 28.2 mA 14.09 MA 29.99 MA 330 11 R D1 D1 Si D2 ID2 Si Vo

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Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors.  The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.