The Battery company manufactures electric batteries. The probability that the finished battery is defective is 0.05. Each battery is additionally checked by the packer. The probability that the packer finds (and removes) a faulty battery is 0.96. The probability that a packer will mistakenly remove a good battery is 0.04. Find the probability that a randomly manufactured battery will be removed by the packer.
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- By measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ε =8 V, R=1M Ω and C=4.7μF. When is the capasitor charged fully?Consider three resistors; 0.5 kΩ, 5 kΩ and 7 kΩ, connected in parallel with a power supply of 5 V. Calculate the current through each resistor and hence verify the Kirchoff’s current divider rule. Write down the color codes for the following resistors: 3.4 kΩ, 10% 1 kΩ, 20% 770 Ω, 20% 2 Ω, 5% 0 Ω, 5%. Consider the 5V experimental voltmeter. Does it tend to read too high or too low voltage as compared to the standard voltmeter? Give precise reasons to support your answer.Consider a resistor of resistivity 1.59x10^-8 ohms•m. If an electric field of 19 V/m is applied across the resistor and the electron volume concentration in the conductor is 4.7x10^28 per cubic meter, determine the drift velocity, in mm/s, of the free electron constituting the current.
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- Calculate the conduction velocity if the electrodes are 12cm and there are 0.3sec between the time of stimulation and the peak of the CAP.By using spherical electrodes with the diameter D=50cm, the following breakdown voltages are measured at 18°C air temperature and 770mmHg pressure. a) If gap is equal to 7.4cm, calculate the breakdown voltage at normal conditions (20°C, 760mmHg). b) Calculate the real breakdown voltage for 1% relative measurement error (T=18°C, P=770mmHg). c) Calculate the capacitance of the electrode system with the diameter D=50cm and the gap a=7.4cm. What is the value of the resistance (R) which leads minimum 1% relative error (H) during the measurement of breakdown voltage? Çapı D=50cm olan küresel elektrotlar kullanarak 18°C sıcaklıkta ve 770mmHg hava basıncında tabloda verilen delinme gerilimleri ölçülmüştür. a) Elektrot açıklığı 7.4cm ise normal şartlar altında (20°C, 760mmHg) delinme gerilimini hesaplayınız. b) Gerçek delinme gerilimini %1 bağıl hata için hesaplayınız (T=18°C, P=770mmHg). c) D=50cm çap ve a=7.4cm elektrot açıklığına sahip elektrot sistemi için kapasite değerini…An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it, its resistance at room temperature (27.0 °C) is found to be 75.3 Ω. When the toaster is connected to a 230 V supply, the current settles, after a few seconds, to a steady value of 2.68 A. What is the steady temperature of the nichrome element? The temperature coefficient of resistance of nichrome averaged over the temperature range involved, is 1.70 × 10-4 °C-1.