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1. What are the energy densities associated with the electric and magnetic fields?
2. An infinite plane sheet lying in the plane carries a current of uniform density
Find the currents crossing the following straight lines:
(a) from (0, 0, 0) to (0, 2, 0);
(b) from (0, 0, 0) to (2, 0, 0);
(c) from (0, 0, 0) to (2, 2, 0).
An npn BJT operating with its base-emitter junction forward biased, its base-collector junction reversed biased, and negligiblehole-electron recombination in the base has an emitter current composed of 98% electron flow and 2% hole flow.
A continuous time system has an output, y, which is given by y= 4sin( 4t+ f /2). It is sampled at a frequency of 4/f Hz. Determine the expression that correctly represent the discrete signal obtained after sampling and its value for n = 1
A double-balanced modulator is rated to accept signals up to+7dBm. What is the signal level expressed in: (a) watts, (b) volts rms Assume that all impedances are 50Ω and are matched.
Which voltage source converts chemical energy to electrical energy?
A single phase transformer having short circuit test values are at 50hz given like 20volt ,40amp ,085 p.f When the test is done at 25hz the what are the values Any body.
A 3 phase 50hz star connected motor has rotor resistance and stand still reactance of 0.025ohm and 0.35 ohm respectively. The full load slip is 5% calculate the resistance per phase of a star connected rheostat
A meta dyne with a uniform air gap is driven at constant speed with a constant dc voltage applied to the q brushes the stator is unexcited. Determine the current in the two circuit and the voltage between the q brushes. what driving torque will be..
If a voltmeter has an internal resistance of 15 kΩ, - find the current through the meter when it reads 62 V.
A MOSFET is used in a boost-buck converter. The on-state loss is 4.2 W, and the switching loss is 2.8 W. The device is in TO-220 heat-sink package. it is desired to avoid a heat sink, and a parallel connection has been suggested.
Determine the lateral shift at the output of the plate and the retardation between the ordinary and extraordinary beams - Sketch the beams
Suppose there is enough shading on the bottom cells to cause the lower diode to start conducting. Draw the new "shaded" I-V curve for the module.
The operation of the watchdog timer is controlled by the 16-bit register WDTCTL. It is guarded against accidental writes by requiring the password WDTPW = 0x5A in the upper byte. What would happen if a value with an incorrect password is written t..
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