Electronics Engineering

each ics are made of transistors.and the ics are used in processors.

100 megohm

the 10 ohms completely vanishes in the tolerance of the 100 megohm resistor, in that range tolerances can exceed 20% of nominal.

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when the messege and carrier signals are going through a modulator it mixes the two waves ie, it's acts like a mixer and amplified it and send the signals through the air ie its acts like an transmittter. the carrier wave carring the messege signal

Because the bulk charge and surface charge interacting with electric field (forward bias) creates the depletion region.

Capacitors are one of the standard components in electronic circuits. Moreover, complicated combinations of capacitors often occur in practical circuits. It is, therefore, useful to have a set of rules for finding the equivalent capacitance of some general arrangement of capacitors. It turns out that we can always find the equivalent capacitance by repeated application oftwosimple rules. These rules related to capacitors connected in series and in parallel.

the impedence should be complex conjugate of an equivalent impedence of the network when viewed from the terminals of the load.

i.e; Z=R-jx

It is related to damping in the circuit using a resistor.

Q is inversely proportional to the resistor(R).

So if the value of resistance is high, there is a greater damping and the value of Q will be low.

if resistance is low, there is small damping and Q will be high.

when Q is high(low damping) the graph of voltage across resistor against frequency will be sharp at resonance and the bandwidth will be small

when Q is low(high damping) thee graph will be less sharp as the bandwidth will be large.

Go do some research on the graphs and the formula of Q factor to understand it better.

This appears to be a Motorola diode, and a data sheet is available from that company.

The anod terminal of diode is connected with negative and cathod is connected to positive

As resistance is defined as

R=pl/A

where p=resistivity of the medium

l=length of the medium

A=area

so all these regulates the amount of resistance

1 & 3

To tell you that we need to know the resistance of the entire circuit.

89M77 40+5MFD-440VAC dual run capacitor

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A 'centre tap' refers to a connection midway along the length of a transformer winding. In North America, the 240-V secondary winding of a distribution transformer is centre tapped, and grounded, thus providing the neutral. Each outer terminal of that winding is then at a potential of 120 V with respect to the centre tap. This enables US and Canadian residences to have both 240 V and 120 V supplies. 240 V is then used for high power appliances, such as ranges (cookers), while 120 V is used to supply lower-power appliances, such as kettles, toaster, etc.

because that's how God intended the way of the world to be..

problem with uniform quantisatonis

1.real audio signal is concentrated near zero

2.human ear is more sensitive to quantisaton error at small value

using non-uniform quantisaton

quantisaton intrval smaller near zero

Non uniform quantization reduces the signal-noise ratio at low signal levels.

DPE?

many numbers

Potential Difference across a resistor is given by,

Potential Difference = Resistance * Current

= 1500 * 0.075

= 112.5 Volts

Which is true of a series circuit that has two resistors?A.The resistors are on different branches of the circuit.B.Neither resistor has current flowing through it.C.One resistor has no voltage across it.D.Both resistors have current flowing through them.

IC741 has a low slew rate because of the predominance of capacitance present in the circuit at higher frequencies. As frequency increases the output gets distorted

due to limited slew rate.

3 ampere