ক্যাপাসিটর কয় ধরনের এবং তাদের মান কিভাবে গণনা করবেন।
Автор: TECH ADDICTION
Загружено: 2025-05-31
Просмотров: 67
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Here's an overview of different types of capacitors and their value calculation formulas:
Types of Capacitors:
1. *Ceramic Capacitors*: Small size, low cost, and high frequency stability.
2. *Electrolytic Capacitors*: High capacitance values, polarized, and relatively large size.
3. *Film Capacitors*: High stability, low leakage current, and suitable for high-frequency applications.
4. *Mica Capacitors*: High stability, low loss, and suitable for high-frequency applications.
5. *Tantalum Capacitors*: High capacitance values, polarized, and relatively small size.
Capacitor Value Calculation Formula:
The capacitance value of a capacitor is calculated using the following formula:
C = Q / V
Where:
C = capacitance value (in Farads, F)
Q = charge stored on the capacitor (in Coulombs, C)
V = voltage across the capacitor (in Volts, V)
Capacitor Value Units:
Capacitor values are often expressed in:
*Farads (F)*: The base unit of capacitance.
*Microfarads (μF)*: 1 μF = 0.000001 F (or 10^-6 F)
*Nanofarads (nF)*: 1 nF = 0.000000001 F (or 10^-9 F)
*Picofarads (pF)*: 1 pF = 0.000000000001 F (or 10^-12 F)
Capacitor Value Calculation Examples:
To calculate the capacitance value of a capacitor with a charge of 0.01 C and a voltage of 10 V: C = 0.01 C / 10 V = 0.001 F or 1000 μF
To convert a capacitor value from pF to μF: μF = pF / 1,000,000
Capacitor Code Calculation:
Some capacitors have a code printed on them, which can be used to determine the capacitance value. The code typically consists of three digits:
The first two digits represent the significant figures of the capacitance value.
The third digit represents the multiplier (number of zeros to add).
For example, a capacitor with the code "104" would have a capacitance value of:
10 × 10^4 pF = 100,000 pF or 0.1 μF
I hope this helps! Let me know if you have any further questions.
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