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A 2.0 C charge moves with a velocity of ( 2.0i + 4.0j + 6.0k ) m/s and experiences a magnetic force of ( 4.0i - 20j + 12k ). The x component of the magnetic field is equal to zero. Determine the y component of the magnetic field.
The loose minute hand of a clock is spun hard. The coordinates (x,y) of the point where the tip of the hand comes to rest is noted. Z is defined as the sgn function of the product of x and y, where sgn(t) is 1 if t>0, 0 if t=0 and -1 if t
Flip-flops must be in what mode (Set, Reset, Hold, or Toggle) in order to divide a clock's frequency when building a counter What is the advantage of a synchronous counter as compared to a ripple counter
find the complete functions, p(t) and w(t) supplied by the element, not just a number, and graph p(t) and w(t). Choose appropriate intervals of time for your graphs. Assume that both v(t) and i(t) are zero for t
What are the four characteristic parameters of transmission line? Which parameter is used to calculate the real loss? Which parameter is used to calculate the charging current? Which parameter is almost negligible and why?
Bipolar Junction Transistor, A silicon n-p-n bipolar junction transistor is designed with emitter, base and collector doping levels of 10^19cm, 10^15cm and 5*10^17cm, respectively.
Assume a 20 V voltage drop occurs across an element from terminal 2 to terminal 1 and that a current of 4A enters terminal 2. (1) Based on passive network convention, state whether the element is absorbing or delivering power.
Schering bridge employes has a standard compressed air capacitor of 106 pF a non-inductive resistor of 1000/π ohm in parallel with a variable capacitance C, and a non-inductive variable resistor R. Balance is obtained with:
Given a BCD decade counter with only the Q outputs available, show what decoding logic is required to decode each of the following states and how it should be connected to the counter . A HIGH output indication is required for each decoded state .
The distribution line connecting the source to the load has negligible impedance. Load 1 is purely resistive and absorbs 60 kW. Find the per-phase impedance of load 2 if the line voltage is 415.69V(rms) and the impedance components are in series.
An antenna with a radiation resistance of 48 ohms, a lossresistance of 2 ohms, and a reactance of 50 ohms is connected to agenerator with open-circuit voltage of 10 V and internal impedanceof 50 ohms via a λ/4-long transmission line.
A 220V , 13.47KVA, 0.707 lagging power factor load is in parallel with a three phase wye- connected round rotor synchronous motor having a synchronous reactance of 1.27W. The motor draws 33KW at apower angle of 30 degree.
Calculate the parameters RE and XE, and the maximum efficiency and power output for the transformer when a load with a 90% lagging power factor is connected to the transformer secondary winding.
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