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From the equation for intermediate frequencies, what is thephase angle between the current and electric fieldwhen ωτ = 1, 0.1, and 10? For each case, write anexpression for the time dependence of current if the electric fieldvaries as sin(ωτ).
The four alkaline battery cells store a total of 200watt-seconds of energy. If the cassette player is drawing a constant 10mA from the battery pack, how long will the cassette operate at normal power
An 80KHz sinusoidal voltage has zero phase angle and a maximum amplitude of 20 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady state current has a maximum amplitude of 0.7 mA.
A certain parallel resistor circuit consists of only ½ W resistors. The total resistance is 1.0 k-ohm, and the total current is 50 mA. If each resistor is operating at one-half its maximum power level
If each packet carries 1000 bitsof data, the distance between the sender and receiver is 5000km,link speed is 1Mbps, and the propagation speed is2x108 m/s. Assume no data or control frame is lostor damaged. Ignore transmission time for ACK.
A parallel circuit contains an AC voltage source of 3 Vrms, 100 Hz. The output of the voltage source is connected to a diode (1N4004). After the diode, connected in parallel are a 0.1uF capacitor and a 100 kohm resistor.
Two ideal p-n junction diodes are connected in series across a 1 V battery such that both of them are forward biased (draw this). One diode has I0 = 10-5 A and another I0 = 10-8 A.
Important information about Electrical Networks, Engine consumes 5kw of power and a reactive power of 2kvar at current of (3+j2) Amps.
a) What is the key difference between coherent and non-coherent demodulation b) Explain the concept of differential encoding for BPSK modulation.
SR flip flop from D Flip flops, Show how to build a rising edge triggered SR flip-flop using a rising edge triggered D flip-flop and combinational logic.
Create a complete C++ program that prompts the user to enter his or her height in inches and outputs the following: Output "Height is six feet or more." when the user's height is 6 feet or more. Output "Height is less than five feet."
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to an ideal DSB transmitter, indicate the output frequencies (in kHz).
Which of these metrics are dependent on link conditions: CINR, SNR, or BER Evaluate the pros and cons of using the SNR and signal - to - interference - noise ratio ( SINR ) for estimating signal quality versus using the absolute value of the signa..
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