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1. What is the direction of the magnetic field for a uniform plane wave having its electric field in the positive z-direction and propagating in the positive x-direction?
2. What is intrinsic impedance? What is its value for free space?
3. Discuss the principle of an antenna array.
How many decimal characters (including a possible minus sign) will be required to represent in decimal, sign-magnitude form numbers which are represented using twos complement 24-bit numbers in binary
At resonance, a series RLC circuit will be:- definition of characteristic impedance? -When moving from the source to load, current and voltage traveling waves move:
Design a low pass filter of gain 40 dB and corner frequency is 60 Hz assuming signal has a source of resistance = 100 ohms ( YOU want error propagation in pass band to be
The circuit parameters of the ideal shunt-shunt amplifier shown in given Figure. - Determine the values and units of Az, Ri f , and Rof .
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 an expression for the time dependence of current if the electric fieldvaries as sin(ωτ).
Explain why the concentration of dissolved oxygen in freshwater is an important indicator of the quality of the water. How is the solubility of oxygen in water affected by increasing temperature?
Determine the smallest allowable physical distance between the centers of co-channel cells if N = 4 reuse is used, and each cell has a radius of 2 km.
A) Explain why there is a maximum limit on the size of emitter resistor in a UJT circuit. B) Explain why there is a minimum limit on the size of emitter resistor in a UJT circuit.
Two infinitely long coaxial cylinders ofradii a and b ( a > b) carry surface charge+ λ and -λ respectively. Find the E field in theregion inside the inner cylinder, between the cylinders, andoutside the cylinders.
Calculate resistance from the measured voltage and current values. Measure the resistance for the resistor in the circuit. Compare the measured resistance to the calculated value of resistance of the resistor.
For a junction conducting I mA at 700 mV, for which is = 2 and a diffusion capacitance of I pF is asso-ciated, what is the value of 4, which applies? For a junction 10 x larger what would IT be? In the ori-ginal junction, what is the total stored ..
Assume the z0 is in the far field and derive an expression for the strength to return as a function of angle. Make approximations where appropriate and do not forget the sidelobes.
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