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The circuit in Fig. 7.142 is used by a biology student to study "frog kick." She noticed that the frog kicked a little when the switch was closed but kicked violently for 5 s when the switch was opened. Model the frog as a resistor and calculate its resistance. Assume that it takes 10 mA for the frog to kick violently.
it talk to u about led display. its going to be 6000 words reportneed to use multisim and proteus?have build the
The power consumption of asingle-phase electric load fed from a 120 volt source representedby: P(t) = 100 (1-e-t/10) KW where t is the unit time inhours. Compute the energy consumed by the load over the period of 24 hours.
Two loads are connected in parallel. The voltage across the loads is 8kVrms. The first load is rated at 12 kW with a 0.6 lagging power factor. The second load is rated at 20 kVA with a 0.8 lagging power factor. Find the complex power of the two lo..
What is Cramer's Rule and how to Find Two Variables by Cramer's Rule (need the answer Step by Step with Solved Examples
A 60-Hz, single phase source with V= 277 at angle 30 degree volts is applied to a circuit element. Determine the instanaeous power, real power, and reactive power absorbed by determine the source power factor and state lagging or leading.
Design a finite state machine that has an input (w) and an output(z). The machine is a sequence detector that produces (z =1). when the previous two values of (w) were (00 or 11); otherwise (z = 1). Assume the initial state is unknown past with (z..
A negative charge of 2.0 micro coulombs is held at a distance of 0.30 m from a negative charge of 1.2 micro coulombs. Find the electrical force on the second charge due to the first charge, giving magnitude and direction.
The charge entering the positive terminal of an element is q = 10 sin 4 piet mC while the voltage across the element (plus to minus) is v = 2 cos 4 pie t V. (a) Find the power delivered to the element at t = 0.3 s.
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor a..
The signal x(t) = sin(2pi(100)t),was sampling with sampling period T=1/400 second, 1- obtain a discrete time signal x(n) 2-what is the maximum sampling period which allows perfect reconstruction
A sinusoidal signal is riding on a 2 v DC offset (in other words, the average value of the total signal is 2 v). Design a circuit to remove the DC offset and amplify the sinusoidal signal (without phase reversal) by a factor of 100.
A data transmission system uses messages of duration T seconds. After each message transmission, the transmitter stops and waits Tseconds for a reply from the receiver. The receiver immediately replies with a message indicating that a message was ..
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