RC time constant ka formula kya hai?

Tau barabar R guna C, resistance ohm mein aur capacitance farad mein, jisse samay second mein milta hai. 10 kΩ aur 100 nF se 0.001 second yaani ek millisecond.

Ek time constant par 63.2% hi kyun kaha jaata hai?

Kyunki charging 1 − e^(−t/τ) par chalti hai aur t = τ par wo 0.632 hoti hai. Ye number exponential se nikalta hai, jaise discharge ka 36.8 pratishat.

Capacitor poori tarah charge hone mein kitna samay leta hai?

Sakhti se kahein to kabhi nahi, kyunki curve asymptotic hai. Vyavhaar mein paanch time constant 99.3 pratishat par pahunchti hain aur use poora charge maan liya jaata hai.

Cutoff frequency ka time constant se kya rishta hai?

Wo 1/(2πτ) hai. Ek millisecond ka time constant 159 Hz ka corner hai, isliye timing chunna aur filtering chunna ek hi faisla hai.

Switch debounce ke liye RC value kaise chunein?

Bounce se kai guna lambi time constant lijiye, aam taur par 1 se 10 ms, aur dekhiye ki settling time abhi bhi sabse tez press se chhoti ho.

RC Time Constant Calculator

Kisi bhi resistor aur capacitor ka time constant, charge-discharge curve aur cutoff frequency.

RC Time Constant Calculator poori tarah aapke browser mein chalta hai. Component values aapke device par hi nikalti hain.

Capacitor code padhiye

RC Time Constant Calculator ke baare mein

Series mein juda resistor aur capacitor ek hi number se sab kuchh tay karta hai: time constant tau, yaani seedhe R guna C. Ek tau ke baad charge hota capacitor supply ka 63.2 pratishat chhoo leta hai, paanch ke baad 99.3 par pahunch kar settle maan liya jaata hai. Wahi jodi ek first-order filter bhi hai jiska corner 1/(2πRC) par hai — isliye jo debounce paanch millisecond mein sthir hota hai wo lagbhag 32 hertz ka low-pass bhi hai. Ye calculator ye sab deta hai aur ulta bhi kaam karta hai.

Features

Time constant, paanch tau ka settling time aur −3 dB cutoff frequency
Target time constant par resistor ya capacitor ka size nikaalta hai
Ek se paanch time constant tak charge aur discharge percentage
Kisi bhi threshold voltage tak pahunchne ka samay
Di gayi supply par store hui charge aur energy
4k7 aur 100n jaisi engineering notation aur SI suffix chalte hain
Nateeje samajhdaar unit mein, picofarad se farad tak

RC Time Constant Calculator kaise use karein

Resistor aur capacitor kisi bhi notation mein daaliye
Time constant, settling time aur cutoff frequency padhiye
Charge ya discharge ka samay dekhne ke liye supply aur threshold set kijiye
Ya mode badliye aur apni tau ke liye component ka size nikaaliye

Example

Input

R = 10k, C = 100n

Output

tau 1 ms · settles in 5 ms · cutoff 159.2 Hz

Classic debounce network: ek millisecond ka time constant, ek button press ke andar hi settle.

Common errors aur troubleshooting

Time constant hazaar guna galat aa raha hai. — Koi prefix chhoot gaya hai. 100n aur 100u mein hazaar ka farak hai — tool har field ke neeche padhi hui value dikhata hai.
Capacitor supply voltage tak pahunchta hi nahi. — Wo kabhi nahi pahunchta. Curve exponential hai, isliye asymptotically paas jaata hai; paanch time constant 99.3 pratishat deti hain, isliye wahi settling point maana jaata hai.
Asli circuit hisaab se dheema hai. — Source impedance jodiye. Chalane wale stage ka output resistance aapke resistor ke series mein hota hai aur dheeme stage par time constant par haavi ho sakta hai.
Electrolytic capacitor se timing badalti rehti hai. — Unki tolerance aksar −20 se +80 pratishat hoti hai aur wo purane hote hain. Sthir timing ke liye film ya C0G ceramic lijiye.

Aksar pooche jaane wale sawaal

RC time constant ka formula kya hai?: Tau barabar R guna C, resistance ohm mein aur capacitance farad mein, jisse samay second mein milta hai. 10 kΩ aur 100 nF se 0.001 second yaani ek millisecond.
Ek time constant par 63.2% hi kyun kaha jaata hai?: Kyunki charging 1 − e^(−t/τ) par chalti hai aur t = τ par wo 0.632 hoti hai. Ye number exponential se nikalta hai, jaise discharge ka 36.8 pratishat.
Capacitor poori tarah charge hone mein kitna samay leta hai?: Sakhti se kahein to kabhi nahi, kyunki curve asymptotic hai. Vyavhaar mein paanch time constant 99.3 pratishat par pahunchti hain aur use poora charge maan liya jaata hai.
Cutoff frequency ka time constant se kya rishta hai?: Wo 1/(2πτ) hai. Ek millisecond ka time constant 159 Hz ka corner hai, isliye timing chunna aur filtering chunna ek hi faisla hai.
Switch debounce ke liye RC value kaise chunein?: Bounce se kai guna lambi time constant lijiye, aam taur par 1 se 10 ms, aur dekhiye ki settling time abhi bhi sabse tez press se chhoti ho.

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