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what potential difference appears across the galvanometer in;Two 150V voltmeters are being compared; meter A has 5000?/V while meter B has a total meter resistance of 750000-ohm?, when the pointer is fully defected? Themeter resistance is 10-ohm?
explain how to get an output greater than input at the appropriate band (bandwidth, range of frequencies present the highest response) without changing frequency response.
How does a transistor switch compare to a mechanical switch. In other words, a mechanical switch when it is ON has zero impedance. What about the transistor switch.
a) Assume B1 = ax2 - ay10(mT), find B2 and the angle that B2 makes with the interface. b) Assume B2 = ax10 +ay2(mT), find B1 and the angle that B1 makes with the normal to the interface.
A Whetstone bridge has a strain gage in the lower right leg with a 120 ohm nominal resistance. It is mounted on steel with a Modulus of Elasticity equal to 30x106. The other resistors are equal to 120 ohms.
A single-phase half-wave rectifier is fed with a triangular signal with period 2 . The maximum positive and negative amplitudes are ± 12 V rms. determine: a) The value of the DC output voltage. b) The percentage of curly
The configuration is shown in Figure 6.5. Use six LEDs as shown in Table 6.1 to represent the outputs. The Time in This State can be met in several ways. One method is to use a debounced switch as input, another to input a 1 Hz clock.
A long hallway has three doors, one at each end and one in the middle. A switch is located at each door to operate the incandescent lights along the hallway. Label the switches A,B AND C. design a logic circuit network to control the lights.
Two parallel connected 10 kV to 120 V 60 Hz single phase transformers supply a varying load. Assuming 0.85 PF, what is the maximum load current that can be supplied by this parallel combination of transformers wihout overloading either of them
A circuit consists of a current source, i=0.030 sin 500t, in parallel with L=20mH, C=50 micro Farads and R=25 Ohms. a. Determine the voltage V across the circuit. b. Solve for the power factor of the circuit.
Find an expression for the potential at any point (x, y), assuming zero volts on the z-axis. When calculating the potential, you may start with the potential of a single infinite line charge, assume a reference point on the z-axis, and use superpo..
Prove that the potential cannot have a minimum in an uncharged region of space. Prove therefore that a point charge cannot be in stable equilibrium under the action of electrostatic forces in an uncharged region.
Analysing harmonic content of ac voltage waveforms, An a.c. voltage, V, comprises of a fundamental voltage of 100 V rms at a frequency of 120 Hz, a 3rd harmonic which is 20% of the fundamental
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