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Electric Circuits
At the most recent meeting of the physicists-who-look-to-torture-students club, there
was great discouragement at how the students had solved the evil capacitor network
problem. What could be done? A timid voice2
from the back said, “We could try
again with resistors?” Yes... resistors! Mwa-ha-ha-ha! Find the equivalent resistance
of the network pictured here, then find the current and potential difference across each
resistor.
4ohms
7ohms
2ohms
3ohms
2ohms
9V
was great discouragement at how the students had solved the evil capacitor network
problem. What could be done? A timid voice2
from the back said, “We could try
again with resistors?” Yes... resistors! Mwa-ha-ha-ha! Find the equivalent resistance
of the network pictured here, then find the current and potential difference across each
resistor.
4ohms
7ohms
2ohms
3ohms
2ohms
9V
Electric Circuits
what is the electric field strength between two parallel plates, with a potential difference between them of 28V, 5.1mm apart?
1) 0.15 MV/m
2) 143V/m
3) 182 V/m
4) 5.5 kV/m
1) 0.15 MV/m
2) 143V/m
3) 182 V/m
4) 5.5 kV/m
Electric Circuits
construction and working of a differential amplifier type EVM
Electric Circuits
Explain the working of D-flip flop. How does it differ from a D-latch?
Electric Circuits
A 4−bit DAC produces 22 mV output for a digital input of 1011. What is the
resolution for this DAC? Find out Vout for 0101.
resolution for this DAC? Find out Vout for 0101.
Electric Circuits
Design and draw the circuit diagram of a Mod-6 ripple counter.
Electric Circuits
Design and draw the circuit of a regulated power supply using LM 317 to provide
30V output.
30V output.
Electric Circuits
Design and draw the circuit of a three channel op-amp adder with channel gains of
−5, −10 and −15 respectively.
−5, −10 and −15 respectively.
Electric Circuits
Draw a circuit of a non-inverting amplifier with gain 1 using op-amp. Draw the
output voltage curve of this circuit for a step input of 5V amplitude and 50 kHz
frequency, if the slew rate of the op-amp is 0.5 V/μs. (Use proper scale on the time
axis to illustrate the effect of slew rate).
output voltage curve of this circuit for a step input of 5V amplitude and 50 kHz
frequency, if the slew rate of the op-amp is 0.5 V/μs. (Use proper scale on the time
axis to illustrate the effect of slew rate).
Electric Circuits
In a voltage regulator circuit, the output voltage under no load condition is 12V
while under full load it is 11.8V. Over the full range of input voltage variation the
nominal voltage output of 12V varies by 50 mV. Calculate percentage line and load
regulation.
while under full load it is 11.8V. Over the full range of input voltage variation the
nominal voltage output of 12V varies by 50 mV. Calculate percentage line and load
regulation.
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#333702 on Dec 2022
#333702 on Dec 2022