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1. What is a Hertzian dipole?
2. Discuss the time-variations of the current and charges associated with the Hertzian dipole.
3. Briefly describe the spherical coordinate system.
4. Explain why it is simpler to use the spherical coordinate system to find the fields due to the Hertzian dipole.
Design an integrator whose output voltage Vo(t) is related to the input voltage Vin(t) by Determine the rate of integrator drift with Vin = 0 if the input-offset voltage VOS is 2mV
For the emitter bias network of Fig, determine:- IB, IC, VCE.- Given that ICQ = 2 mA and VCEQ = 10 V, determine R1 and RC for the network.
The electromagnetic wave that delivers a cellular phone call to acar has a magnetic field with an rms value of 1.38E-10 T. The wavepasses perpendicularly through an open window, the area of which is0.244 m2.
Heat is added until the final volume is twice the initial volume. Assume that Helium behaves as an ideal gas. Use the table provided to determine the specific heats of helium and determine the following. Find the temperature at the final state.
Consider a plane wave normally incident on a half-space of copper. If f=1GHz, compute the propagation constant, intrinsic impedance, and skin depth for the conductor. Also compute the reflection and transmission coefficients
Calculate the surface charge density on the inside surface of the conducting sphere.
A wattmeter connected into the line gives a reading of 2765W. If a capacitor have a reactance of 30ohms is connected in parallel with the motor. Calculate the total reactive power absorbed by the capacitor and motor.
The 12 Volt automobile battery in the figure has an output capacity of 270 ampere-hours (Ah) when connected to a head lamp that absorbs 65 watts of power. How many hours can the battery power the headlight
A lossy resonator consisting of a series connected RLC circuit is attached to a voltage source Vs=Vo(e^(jpi/3)) a) Develop the voltage loop equation in terms of current i(t), R, L, C, and vs b) Find the corresponding phasor equation
A 1.2 µF capacitor is initially charged to 50V. How much energy is stored in the capacitor. What will be the voltage on the capacitor after it has been discharged by a 10 µA current for two seconds.
write a program that asks the user to enter the amount that he or she has budgeted for a month. a loop should then
1. Compare a script tool such as Matlab to a block tool like Simulink and how you can use them efficiently. 2. Convert the designed prototype filter to highpass filter with cutoff frequency f_C=10,000 Hz.
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