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Assume we have a toroidal coil with a rectangular cross section, with an inner radius 1 cm, an outer radius 2 cm, a height of 1 cm and 1000 turns. The coil is connected to a resistor of 500 ohms. An AC current I(t) = Io cos(wt) with amplitude 0.5 A and frequency of 60 Hz flows through the wire.
a) What s the induced emf in the toroid? You can assume we are in the quasistatic regime. What is the current, I(t) in the resistor?
b) What is the back emf in the coil due to the current I(t) from the resistor? What is the ratio fo the amplitudes of this back emf and the "direct" emf in part a)?
Let a crappy voice channel occupy 1kHz. To ensure no interefence between channels due to nonideal bandpass filters add a 3.0kHz spacing between channels. How many simultaneous voice channels can you have if allocated a 87MHz bandwidth total
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The frame object from question 1 uses a BorderLayout by default. Write Java statements to create a JTextfield object and place it into the bottom part of the frame object's window. Describe the sequence of steps needed to create 3 labels and place
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Which one of the following statements is correct?
A successive approximation A/D converter with range of 0 to 5 volts and a resolution of 0.05 volts is specified. It will be clocked at 500 KHz. a. Determine the number of bits that must be specified for this converter. b. Determine the t..
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