: any of a breed of very small roundheaded dogs that occur in short-coated and long-coated varieties.See Chihuahua defined for English-language learners. See Chihuahua defined for kids. ADVERTISEMENT. any of a breed of very small roundheaded dogs that occur in short-coated and long-coated varieties. See Chihuahua defined for English-language learners. See Chihuahua defined for kids. ADVERTISEMENT.
3) Critically damped: [math]x(t) = (A + Bt)e^{- \gamma t}[/math] This is the optimally damped case, where the damping coefficient is just large enough to completely quell the oscillations, so the oscillator returns to zero in the least amount of time possible. 4) Overdamped: [math]x(t) = Ae^{- \gamma_{1}t} + Be^{- \gamma_{2}t}[/math]
Overload means an excess current drawn, which will lead to tripping of the circuit breaker once the current exceeds 5 times the rated MCB current value within a tenth of a second (depending on the Type of MCB). When your electric load is faulty and there's a short circuit, a lot of current is drawn -> MCB trips. But an electric shock to a human being may not always draw an excessive current that is so high to trip the MCB and protect you. This is where RCCB comes in.