Electrical Engineering Answers

help me solve this nodal analysis
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how do you solve nodal analysis in which youre asked to find power dissipated in each resistor.
the resistors are labelled with S(which is power from my understanding) but that would change the formula for the nodal analysis which is v/r right? so how do i solve it?

How do you workout total capacitance

An ________ amplifier can perform operations, such as addition, subtraction, differentiation or integration
efficient
operational
optimizing
consistent

LM317 is an example of a __________ terminal adjustable regulator
two
three
four
six

In the Series Derived Shunt-Fed Feedback Topology the input is connected in _________
series
parallel
serial
linear

Discuss three examples of space division multiplexing encountered in our day-to-day life.

Explain with an example the time division switching used in telephony.

Explain the procedure of quarter wave-line impedance matching in transmission lines.

Noise voltage from a 50 Ohm resistor obtained after amplification by an amplifier with 60 dB voltage gain in 100 mV at 27 degree centigrade. Calculate the bandwidth of the amplifier. What will be the noise voltage if the temperature is increased to 57 degree centigrade?