Electronics Engineering

If you connect a 100 ohm resistor across 120 volts it will draw 1.2 amps, amps = E/R. Power = volts x amps so the power required for the resistor would be 120 x 1.2 = 144 watts.

It would not matter if the 120 volt circuit already has 2 amps load on it by something else to calculate the wattage of the resistor.

The total power on this circuit would be the 144 watts from the resistor and 240 watts from the other 2 amp load (2a x 120v) for a total of 384 watts.

If the resistors are connected in series, the total resistance will be the sum of the resistances of each resistor, and the current flow will be the same thru all of them. if the resistors are connected in parallel, then the current thru each resistor would depend on the resistance of that resistor, the total resistance would be the inverse of the sum of the inverses of the resistance of each resistor. Total current would depend on the voltage and the total resistance

when no electricity flow then chare are in condition of static

initially the two beams i.e. one reflected and one transmitted from semi reflecting glass were in different phase but when they superimpose two interference take place - constructive and destructive. since in both the interferences amplitude changes.

A 4-20ma current loop is often used in process control and monitoring systems to signal a value from one point to another. It operates using Kirchoff's current law, in that the transmitter can monitor the current on the loop, knowing that will be the same current at the receiver. Any deviations in reference voltage or ground differentials between transmitter and receiver can then be compensated for at the transmitter. The signal range starts at 4ma, so that the receiver can detect the 0ma condition representing a break in the wire.

You can also have multiple receivers on the loop, all in series, so long as the delta voltage at each receiver does not contribute too much voltage to the overall loop. Each receiver will see the same current, again due to Kirchoff's current law.

A cathode ray consists of a stream of electrons generated by heating a cathode. These electrons are accelerated and focused by electric and magnetic fields before hitting a phosphorescent screen to produce a visible image.

Igneous rocks are classified as rocks that originated from the liquid phase, specifically from the cooling and solidification of magma or lava.

That depends on several factors that aren't specified in the question:

-- whether the resistors are connected to each other

-- whether they're connected in series or in parallel

-- the voltage applied across the ends of the circuit

While these two resistors are in their plastic packages hanging on the wall at Radio Shack,

the total current flowing through both of them is zero.

Electrons were produced in a cathode ray tube by applying a high voltage to the cathode, causing electrons to be emitted through thermionic emission. These electrons were then accelerated towards the anode by the electric field within the tube, creating a beam of electrons known as the cathode ray.

The atomic packing factor (APF) influences the density, strength, and thermal properties of a crystal. A higher APF typically results in a denser crystal structure with stronger interatomic bonding, leading to higher density and increased mechanical strength. Additionally, a higher APF can also improve thermal conductivity due to the closer proximity of atoms in the crystal lattice.

Yes, watts is still volts times amps, for both ac and dc circuits. The complexity lies in the phase angle between voltage and current. If the circuit is purely resistive, the phase angle will be zero. If the circuit is capacitive or inductive, the the phase angle will vary, depending on frequency and on how much capacitive or inductive reactance there is. The difference comes into play when you consider true versus apparent power.

A short circuit bar is a safety feature on railway systems that protects against electrical failures by providing a path for excess current to flow, preventing damage to equipment. It helps to ensure the safe and smooth operation of trains by rapidly detecting and disrupting any potentially hazardous electrical faults.

Silver, copper, and gold are the best metal conductors, with silver being the most conductive. They are often used in electrical wiring and circuitry due to their high conductivity.

Solar panels are rated very strange. Isc is current short circuit. The voltage is Eoc, or voltage open circuit.

The two are multiplied to get the power rating of the panel under max sun.

Problems here include:

1. Max sun is rare (2 to 5 hours a day is considered a normal "sun day")

2. You can not ever reach the current of short and voltage open condition.

A typical 100 watt panel may supply 76 watts at full sunlight. That means you will see 152 to 300 watts a day from a 100 watt panel. Hardly being honest.

when the magnitude of voltage of a source is controlled by another small voltage source in the circuit the former is called voltage controlled voltage source and the later is called controller voltage source.

The Current in a automobile is DC, you have a battery which is dc, and your alternator produces ac current but converts it to DC inside the alternator unit which gives your battery DC power. So basically everything in your car is DC.

There really is no fixed answer. Amps are a measure of current, while watts are a measure of work. To get the answer, you need to know either how many volts you are dealing with, or how much resistance; the relationship is W= V*I (where I is the current in amps). That said, for a typical 120 volt household current, the number of watts would be 180.

Amperes represents a flow of charge (coulombs) in a circuit in a period of time (seconds). In order to have that flow, you have to have conductance, which is the inverse of resistance. Since the conductance of two circuits not connected to each other is zero (infinite resistance, neglecting leakage) there can be no current flow between disjoint circuits. A node is a junction between two elements in a circuit, such as the connection between a resistor and a light bulb. If you consider that the only circuit between those two elements contains that node, and that leakage is inconsequential in comparision to the conductance of the circuit, then you have to note that the current entering the node must be the same as the current leaving the node. In fact, this is Kirchoff's Current Law: The sum of the currents entering a node must equal the sum of the currents leaving a node. (Usually, we think of current entering to be one sign (+) and current leaving to be the other sign (-), so the sum of all currents relative to the node is zero.) Expand this thinking little by little to encompass the elements in the circuit. Again, there is no path for current to flow other than through the elements of the circuit. This means that the current in every part of the circuit is the same. Keep in mind that this applies only to series circuits. In a parallel circuit, current can branch out between two elements connected to a node supplied by another element. In that case, the current in each branch will be different, depending on the resistance and voltage of that path. Circuit analysis is simply the consolidation of a complex circuit into a simple circuit by repeated application of various conversions, such as Norton and Thevanin equivalents, with the ultimate goal of knowing the voltage, current, and resistance for each element.

The ohm is the unit of electrical resistance to current flow. More ohms (more resistance), the less current will flow. Less ohms (less resistance), the more current will flow. One ohm is defined as the amount of resistance that will cause one ampere of current to flow if the supply voltage is one volt. Ohm's law states that amps = volts / ohms So, if you had a 12 volt battery, and you connected a load, say a heating element that had a resistance of 3 ohms, how much current would flow in the circuit? amps = 12 volts / 3 ohms amps = 4

I depends on the application for a rate amplifier the exact value is mandatory but for filtering that can vary greatly since every cap of that type has a very large -/+ tolerance YOU may install a greater voltage breakdown but never a less then the original

Semiconductors are useful in electronics because they can selectively conduct electrical current, making them ideal for building devices like transistors, diodes, and integrated circuits. These components are the building blocks of modern electronics and are essential for applications ranging from computers and smartphones to medical devices and renewable energy systems.

in negative feedback. when an enzyme (negative feed back mechanism) produces too much of a molecule or substance that substance binds to the enzymes allosteric site to hault production of that substance (negative feedback response). and the whole process is the negative feedback loop.

responsorial

Elements that have gained or lost an electrons are called IONS. Ones that gained electrons (non-metals) and are therefore negatively charged, and known as ANIONS, and those that lost electrons (metals), are positively charged and known as CATIONS

LBDT stands for Linear Variable Differential Transformer, which is used as a transducer to convert linear displacement into an electrical signal. It consists of a primary coil, a secondary coil, and a movable core that changes position based on the object being measured, resulting in a proportional electrical output signal.