Determining the current in the primary
A 90 percent efficient transformer consist of 500 primary turns and 10 secondary turns. When Vp is 120 V (rms) and the secondary now consists of a resistive load of 15 Ohm, determine the current in the primary?
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The flask is then cooled to 273 K, at which temperature the pressure in the flask is 508 Torr. Determine the percentage of arsine that has decomposed.
A flywheel of 12.0 kg having a diameter of 0.500 m primarily rotating at 4.00 revolutions/seconds raises its rate of rotation at a constant rate and arrives at an angular velocity of 56.5 radians/seconds in 12.0 seconds. i) Compute the initial ang
Determine a few day-to-day (or work) condition in which regression is employed (consciously or not)? For example, instrument calibrations often make employed of regression.
Determine oh- and pH of the following using appendix D a.0.10 M b. 0.080 M c. a mixture that is 0.10 M in NaNO2 and 0.20 M in Ca(NO2)2
Given the average rate of reaction is 4.5x10^-4. In the reaction A-Products, the initial concentration is .421m. Discuss how long does it take for the concentration to drop to .340.
Assume that X1 and X2 are bivariate normal with mean zero and var(X1)=var(X2)=1, and rho=0.5. Find an upper triangular matrix A such that (X1,X2)^T=A(Z1,Z2)^T (with equality in distribution).
Assuming the secondary hydrogen's in pentane are equally reactive to monochlorination, determine the percentage of 2-chloropentane in the mixture?
A RLC circuit consists of a resistance of 200 ohm and an inductance of 15 mH. Its oscillation frequency is around 7000 Hz. At time t = 0 the current is 25 mA and there is no charge on the capacitor. After five complete cycles the current is:
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