Electronics Engineering

Charging a 1.5 volt battery with a 5 volt power supply is not recommended as it can potentially damage the battery due to overcharging. It is safer to use a proper battery charger designed for the specific type and voltage of the battery.

when you are floating and then you start moving and then you fall beneth water when you are floating and then you start moving and then you fall beneth water

Disadvantages of armature speed control for a DC motor include complexity of control circuitry, increased maintenance due to wear on the brushes and commutator, and limited speed range compared to field control methods. Additionally, armature control can result in lower efficiency and poor performance at low speeds.

An ammeter is placed in series with a circuit in order to measure the current. If it has any appreciable resistance, inserting the ammeter will increase the normal resistance of the circuit and reduce the value of the current flowing through it. The ammeter will, therefore, give an inaccurate reading (under-read). So the ammeter must have a very low resistance so that it has the minimum effect on the normal resistance of the circuit being tested. Ideally, the ammeter should have zero resistance but, of course, this is impossible.

The relative permittivity of indium arsenide (InAs) is typically around 15-17 at room temperature. This value can vary slightly depending on factors such as temperature and frequency of the electric field.

Ripple voltage, in the presence of a filter capacitor, is inversely proportional to load resistance.

If the load were zero (resistance infinite), then there would be no ripple voltage. As the load increases (resistance decreases), the ripple voltage increases.

The ripple waveform will appear to be sawtooth, with the rising edge following the input AC from the diode's conductioin cycle, and with the falling edge either being linear or logarithmic, depending on load. If the load is resistive, without a regulator, the falling edge will be logarithmic. If the load is constant current, such as with a regulator, the falling edge will be linear.

You cannot convert watts to amps, since watts are power and amps are coulombs per second (like converting gallons to miles). HOWEVER, if you have at least least two of the following three: amps, volts and watts then the missing one can be calculated. Since watts are amps multiplied by volts, there is a simple relationship between them.

J.J. Thomson is credited with identifying cathode rays as streams of negatively charged subatomic particles, which were later named electrons. His experiments with cathode ray tubes led to the discovery of the electron and contributed to the development of the atomic theory.

One million electron volts (1 MeV) is equal to the amount of energy gained by an electron when accelerated through a potential difference of one million volts. This unit is commonly used in particle physics to express the energy of particles.

The terminals of a BJT (bipolar junction transistor) are the emitter, base, and collector. One common method to identify these terminals is to look at the physical package of the transistor. The emitter is usually connected to the most heavily doped region and is often indicated on the package. The base is usually the middle terminal, and the collector is often connected to the remaining terminal.

A 10 KVA 3-phase UPS will have an input and output current that depends on the specific voltage of the system. You can calculate the current by dividing the apparent power (in this case 10 KVA) by the square root of 3 multiplied by the voltage. For example, for a 208V system, the input and output current would be approximately 28.8 amps.

Yes, you can use a 6V 2500mA power output for a device that requires a 6V 2000mA power cord. The device will only draw the current it needs, so the higher amperage rating will not harm the device. It is important to match the voltage, but having a higher amperage rating is safe.

A parallel circuit provides a path for current to flow to wall sockets and appliances in a home. In a parallel circuit, each device is connected in a separate branch from the power source, allowing current to flow independently to each device. This setup allows appliances to operate independently and provides a safety feature where one device can still operate if another fails.

A: Radar is an piece of equipment that require extreme hi frequency the wave are so small that wire does cannot control the emission so wave guides are used like rectangular pipes to guide the waves around with minimum losses. Radar even though is classified as electronics it boils down that physics are more necessary then understanding electronics

The future scope of fiber optics is promising with advancements in technology driving faster data transmission, increased bandwidth capacity, and improved connectivity. Fiber optics will continue to be essential in supporting high-speed internet, 5G networks, cloud computing, and other emerging technologies that rely on reliable and efficient data transmission. Additionally, fiber optics will play a crucial role in expanding broadband access to underserved areas and supporting the growth of smart cities and IoT applications.

No, impedance inversion cannot be achieved with a short circuit stub. A short circuit stub will have a low impedance at the point where it is connected, which will not invert the impedance at that point. Impedance inversion can be achieved using techniques such as a quarter-wave transformer or a transmission line with specific impedance characteristics.

If they were not evacuated of all outside air, the filament will burn up in seconds because the air Will cause Resistance, thus the filament will burn brighter and brigther tyring to burn off the air until it opens. (blown bulb)...

Yes, you can perform a voltage drop test on AC circuits similar to DC circuits. However, you need to use specialized equipment designed for measuring voltage drop in AC circuits, which takes into account factors like impedance and phase difference. The principles of voltage drop testing remain the same, where you measure the difference in voltage between two points to identify any resistance or impedance in the circuit.

Electrons have a negative charge. For that reason, electrons will always flow in the opposite direction of the current, which flows from positive to negative.

Electrons will therefore move from a negative terminal to a positive terminal when we look at the load on a cell. Within the cell, the electrons will flow from the positive terminal to the negative terminal.

A charge equivalent to 1 V is equal to 1 J/C (that's Joules per Coulomb). There is no way, however, to do a straight conversion from volts to Coulombs as they measure slightly different properties.

Hope that helps! Happy Physics!

A:is equal to the source

Related to a battery and open load is the battery just sitting there without anything connected. A short is a very low resistance attached to the tow terminals of the battery. For example, a wire connected across the battery terminals would constitute a short.

The terminal voltage of a self-excited shunt generator decreases with an increase in load due to an increase in voltage drop across the internal resistance of the generator. As the load current increases, the drop across the internal resistance also increases, reducing the output voltage available at the terminals. This effect is known as voltage regulation and is a common characteristic of self-excited shunt generators.

You don't experience a shock in an open circuit. The only time that you can get a shock from an open circuit is when you act as a switch and close the circuit or you ground the circuit hot side to ground with your body. Current has to flow to give you a shock.