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1. A magnetising coil of 850 turns carries a current of 25 mA. Determine the resulting mmf.
2. It is required to produce an mmf of 1200 At from a 1500 turn coil. What will be the required current?
3. A current of 2.5 A when flowing through a coil produces an mmf of 675 At. Calculate the number of turns on the coil.
The major principle stress at failure for a triaxial compression test on dense sand was 5.15 tsf.the minor principal stress ,or lateral pressure, was 1.45 tsf. plotthe mohr circle at failure and, assuming the sand to be cohesionless, determine the..
The below circuit has an output 10 times the difference between the 2 input signals. Show how this could be realised using 2 Operational Amplifiers and 5 Resistors, and provide values of the resistors
A capacitance of 2.0 μF with an initial charge isswitched into a series circuit consisting of a 10.0 Ωresistance. Find the initial charge on the capacitor Q0 if the energy dissipated in the resistor is 3.6mJ.
If the two resistors are held at the same physical temperature, is the effective temperature equal to the true common temperature of the resistors?
Consider the circuit shown in Figure which has Rs = 0.5Ω, RL = 1000Ω, and N1/N2 = 0.1. Determine the rms values of the currents and voltages with the switch open.
A corporation has two construction contracts that are to be assigned to one or more of three firms (say I, II, and III) bidding for these contracts. (One firm could receive both contracts.)
What is the maximum output resistance that the source follower must have if the output voltage is to remain within ±20% of nominal value. If the MOSFET has kn = 16 mA/V2, at what current ID must it be biased. At what overdrive voltage is the MOSFE..
Find the time that is necessary to raise the dissolved oxygen level in the wastewater from 8 × 10-2to 2 × 10-1 mmol/L if the temperature of the water is 283 K and the depth of the water above the spargers is 3.2 m.
A particle with a charge of +5.5*10^-6 C sets up an electric filed. A second particle with a charge of -3.0*10^-6 C is moved to a point 4.2 m a way from the first charge. what is the electric field at the position of the second charge
Where (in the sequence of subsystems within a communication system) does the line encoder used? Draw a block diagram. Write a sentence or two on what is in the other boxes. What are the two broad parameters associated with an efficient line encoder..
A medical grade pressure transducer has been developed for use in invasive blood pressure monitoring.- Design an OP AMP circuit to interface the new pressure transducer with the existing monitoring system.
What is the frequency for a periodic signal with a period of 2.5 ns 2.5 GHz 250 MHz 4.0 GHZ 400 MHz 2. Which decimal number is equivalent to 25 10 25 31 32 3. Convert the following decimal negative numbers to their 8-bit, 2's complement formulatio..
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