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The power dissipated in the resistor R0 is 89 W when connected to a 10V source. Find the total dissipated power if 3 resistors identical to R0 are connected in series to a 10V source. (UNIT:W)
The power dissipated in the resistor R0 is 83 W when connected to a 10V source. Find the total dissipated power if 3 resistors identical to R0 are connected in parallel to a 10V source. (UNIT:W)
b) Calculate the armature current at start c) The motor is now used as a generator. Calculate the speed of the machine if the armature current is 80A and there is a 230V at the motor's terminals. Assume a constant flux.
Measurements show that for a particular arrangement of the equipment and at a particular amplifier setting, the system will howl if 1% of the output power is fed back to the microphone. Estimate the power gain of the P.A. amplifier in decibels.
A 2N3904 has a power dissipation of 625mW without a heat sink. If the ambient temperature is 65 degree C, what happens to the power rating
an amplifier with a 1 MHz bandwidth and a 20 mV input signal. The input noise = 1 mV, output signal = 6.0 mV, and output noise = 1 mV. Find: (a) SNR at the input (b) SNR at the output (c) Noise figure
The purpose of this project is to design a device that would remotely control (from a Bluetooth-enabled mobile phone for instance) at least two actuators (e.g. relays and switches).
what are the application of backward diode
If you have 16 kibibytes of memory plus a few (less than 10) memory mapped devices (assume that each device uses 16 bytes of address space), what should the address size be
If there are 500 atoms in the sample and assuming that from any state all possible downward transitions are equally probably, what is the total number of photons that will be emitted when all atoms return to the ground state
A hydroelectric dam has a penstock that discharges 10^5 kg/s of water. The head of the dam is 80m. a. compute the volume of the discharged water per second (flow rate). b. compute the power of the water entering the turbine
A pulse compression radar transmits rectangular chirp pulses with bandwidths of 500 MHz. What is the approximate slant-range resolution after Dolph-Chebyshev frequency weighting that results in 30-dB sidelobes
Measurements on sodium have provided the following data: resistivity 4.7 ×10-8ohm m, Hall coefficient -2.5 × 10-10m3C-1, critical wavelength of transparency 210 nm, and density 971 kg m-3. Calculate (i) the density of electrons, (ii) the mobility, ..
i. The sender sends frames with increasing sequence numbers to the receiver. Only frames received in correct order are accepted by the receiver. ii. The receiver sends a NAK back to the sender when it receives an out-of-sequence frame.
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