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A charge of -1 nC is located at the oriogin in free space. What charge must be located at (2,0,0) to cause Ex to be zero at (3,1,1)?
When the beam is not broken, light from the transmitter hits the receiver and turns on the output transistor from the receiver. Their purpose is to detect objects as the objects break the beam. design a through-beam photoelectric sensor
A sample has a T2 of 50 ms. The net magnetization is rotated into the xy-plane and allowed to decay. how much transverse magnetization will be present 20 ms after being placed in the plane
A binary data stream needs to be transmitted at 5 Mbit/s by means of binary signaling. To reduce ISI, a cosine roll-off pulse of roll-factor r = 0.25 will be used. Determine the minimum required bandwidth for this transmission
Air is to be compressed from atmospheric pressure at 60oF to 100 psia in a centrfugal compressor (isentropic efficiency about 0.7). The flow rate will be 500 lbm/min. Specify the horsepower required for the driving motor
An electron is released from rest at a distance of 0.350 m from a large insulating sheet of charge that has uniform surface charge density 4.90×10^-12 C/m . A) How much work is done on the electron by the electric field of the sheet as the electron..
A meter being used for a 2-wire resistance measurement has an internal current source of 1 mA. If the meter's test leads have equal resistances of 0.06-ohm, what is the measured resistance for: A resistor of actual value 0.5-ohm
A light comes on in a storeroom when either (or both) of two doors is open. 1. What logic function is most suitable for this operation 2. Draw a circuit to represent each function using a logic gate
A water tank, 22 ft in diameter, is made from steel plates that are ½ in. thick. Find the maximum height to which the tank may be filled if the circumferential stress is limited to 6000 psi. The specific weight of water is 62.4 lb/ft.
A dynamite blast at a quarry launches a rock straight upward, and 1.6 s later it is rising at a rate of 14 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 5.7 s after launch.
What is the smallest power of 2 needed to generate a binary codeword long enough for this message i.e. find N (= 2k) = What is the maximum number of binary digits that can be generated with this choice of N
A 60 Hz, three-phase, transposed transmission line has the following parameters: Z = 13.114+ j52.952, Y = j0.311/1000. The sending-end line-to-line voltage is 161 kV. The total receiving-end load is represented by ZL =143 with an angle
Write the formula for the magnetization volume current density J M and magnetization surface current density JMS in terms of magnetization vector M. 4. A sphere has permanent magnetization where is a positive constant.
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