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Why does a current transformer burn and break?

2019-01-24

There are four reasons contribute to why a current transformer is burnt and broken:

Which sensor is used in vehicle speed?

2019-01-24

As for vehicle speed sensor, magnetic-electric sensor and photoelectric sensorthese two kind of speed sensors that are wildely used.

What is the difference between a DSP and microcontroller?

2019-01-23

The difference between a DSP and microcontroller: DSP is essentially designed for fast processing of digital signals, which has such charecteristics, like the separation in terms of structure of data and address bus, greater data throughput, the de

When does the reverse breakdown in a diode?

2019-01-23

As we all know, the diode(Wikipedia) is of forward conduction. When the reverse voltage is applied at both ends of the diode, which lead to the electrons can’t pass through the diode, so that the diode is equivalent to an open circuit.

Why does resistance increase when the voltage increases?

2019-01-23

The relationship between load resistance and internal resistance of power source is in a series connection, which is applicable to Ohm's law[ I=U/R; I: Current, U: Voltage, R: Resistance]; In other words, the larger the resistance, the higher the voltage.

What are the characteristics of ideal diode?

2019-01-22

The characteristic of ideal diode that is unilateral conduction, which means that the current only conducts in one direction of the diode.

What items use parallel circuits?

2019-01-22

For example, our TV, Fridge, Air-Conditioner, Washing Machine in our house are connected by using parallel circuits.

How does a DC transformer work?

2019-01-22

Operation principle: With the changing of DC current in the primary coil, another DC current is generated in the secondary coil.

Why is an antenna’s impedance always 50 ohms?

2019-01-21

1)With the metal shielding layer 2)Good capacity of anti - jamming 3)Minimum transmission impairment

How do Over Voltage protection circuits work?

2019-01-21

Over Voltage protection which protect the device on the circuit when the voltage is too high;

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