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A 50 Ohm resistor is connected in parallel with a 100 Ohm resistor. Which of the following statements are true ?
1. The total resistance is less than 50 Ohms2. The two resistors have the same voltage across them.3. The two resistors are connected back to back4. All of these statements are true.
A circuit has a Thevenin equivalent circuit with Vth = 12 Volts and Rth = 50 Ohms. The load resistance that gives maximum power transfer is :
1. 100 Ohms2. 600 Ohms3. 50 Ohms4. 12 Ohms5. 25 Ohms
A circuit has a Thevenin equivalent circuit where Vth = 24 Volts and Rth=1000 Ohms. The Norton equivalent circuit will have Inor = ?.
1. 24 mA2. 24 microamps3. None of these4. 240 mA5. 2.4 Amps
A flashlight bulb draws a current of 250 mA from a 6 Volt battery. The amount of power that the bulb consumes is :
1. 1.50 Watts2. 0.25 Watts3. 6.00 Watts4. 0.50 Watts5. 1.00 Watts
Derive equations for the capacitance, and resistance across the dielectric of a coaxial line of inner conductor radius a, and outer conductor radius b, and permittivity ε.
A three-phase 5 hp, 208 V motor has an efficiency of 92%, and a power factor of 0.87 (lagging) when it runs at full power. Calculate the motor phase currents and line currents if the motor is wye connected, and delta connected.
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, and the coil current needs at least 100 mA.
The power dissipated in the resistor is 62 W when connected to a 10V source. Find the total dissipated power when the same resistor is connected to a 5V source.
1. Two resistors R1 = 5.6 kΩ and R2 = 3.3 kΩ are to be connected in series. Calculate the series equivalent resistance Rs. 2. The same two resistors are reconnected in parallel. Calculate the parallel equivalent resistance Rp.
An electron is moving with a velocity of 2*10^6 cm/s. Determine the electron energy (in eV)), momentum, and de Broglie wavelength (in angstrom).
AC Circit analysis and max power transfer, If the output impedance of a certain driving circuit is 50 Ohm - j10 Ohm, what value of load impedance will result in the maximum power to the load?
Store the arrival times in memory locations starting from $1000.(Do this is in C. Store the results in an array and don't worry about the speci c location of the results.)
For input signal voltages between these limits, the input should pass unaltered to the output. The peak current drawn from the input source may not exceed 1mA. You may use any circuit component we've studied except opamps.
a) What is the total resistance corresponding to 1k-ohm, 4k-ohm , 10k-ohm , 4.7k-ohm resistors connected in series b) What is the total resistance corresponding to 10-ohm , 100-ohm , 1k-ohm , 10k-ohm resistors connected in parallel
Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. 1) Calculate the thickness of the velocity boundary la..
A long straight metal wire of radius r1= 2.20E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.24E-1 m and outter radius r3= 1.91E-1 m. The axes of the wire and the cylindrical shell coincide.
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